Controller + Mouse configuration problems

Product: Star Wars Battlefront II
Platform:PC
What is your issue related to? General
Summarize your bug Controller + mouse configuration doesn't work right. You can't use the side buttons on a Razer Naga Epic at the same time that input is being sent to the controller. So if I'm running with the left stick on a controller, I can't use a sidebutton on my mouse to interact with something, or jump over an obstacle, or roll, or reload, or use a star card. The left and right click as well as mouse movement works while input is being sent to the controller. So I can be running and aim and shoot with my mouse, I just can't do anything else because the side buttons won't register.
What is your gamertag/PSN ID/EA Account name? JMC8888
How often does the bug occur? Every time (100%)
Can you tell us the date (MM/DD/YYYY) that you saw the bug? Since Beta and Day 1 of game. 11/17/2017
What time did you see the bug? (HH:MM AM/PM) Continuous bug from beginning
In what game mode did the bug occur? Galactic Assault
What is your time zone? PNT (MST) - GMT - 7:00
Steps: How can we find the bug ourselves? Plug in a Xbox 360 wireless controller and a Razer Naga Epic mouse (now this might happen with other peripherals). Try to assign middle, right, bottom star cards, reload, jump, interact, and any others you see fit on the 12 side buttons of the Razer Naga Epic under the mouse section. Notice it won't let you. Then do it under the keyboard section. It let's you. Now start any mode, game, whatever. If you want Galactic Assault is fine. Now as you can see you can be running forward, back, side to side with the controller while moving the mouse around to aim or turn around or whatever. You can shoot with the mouse just fine. You can use the buttons your left hand can reach on the controller. Usually this is the left star card, the button click for running (if you have sprint on toggle or hold down for sprint if you don't have toggle on), as well as zoom. All of this works flawlessly with each other at the same time. The problem comes when you try to use any of those assigned side buttons. They ONLY work when you take your hand off the controller (thus registering no input). THEN, after what seems like a slight delay, the side buttons suddenly work.
What happens when the bug occurs? Well, when trying to jump over something, it doesn't register. Because I'm running forward with the controller. If I stop using the controller, I can't jump forward, I just jump up. So what I have to do while in battle, is I have to take my right hand off my mouse, to the jump button on the controller, then take it off the controller and back onto the mouse. At this time, I can't aim, shoot, or do anything but be a sitting duck. Same thing with reload, action, roll, any star card. I either have to completely stop any input with the controller and wait the little lag time so I can use the side buttons on the mouse, or do the take the hand off the mouse and onto the controller, hit the button I need, then put it back on the mouse.
What do you expect to see? I expect to be able to fully use my mouse and controller at the same time. It works in other games, including EA games, just for whatever reason not THIS game. I want to be able to running in a direction with my controller, while hitting a side button on my mouse to jump or roll. I want to be able to reload while I'm running around because I can hit my side button. I want to be able to use my star cards while I am running around and aiming and such. I want to be able to interact with an object/objective because I'm holding down that button but can still be able to wiggle around with my controller and potentially roll when someone comes attacking me. I don't want to have to either take my hand off my mouse to hit the buttons on my controller, or stop input on the controller and wait and then be able to use my sidebuttons. I don't have to do this in Battlefield 4 or 1, or Overwatch or many other games. For whatever weird reason I have to on Battlefront 2. I want all these inputs to be 'hot' all the time. Maybe that has something to do with how in the menus the mouse side buttons are somehow assigned to keyboard section instead of the mouse section, or something else entirely. But it's clear it's possible because other games do it, and this game mostly does everything except allow the sidebuttons which are critical to being able to play this game.
Please select your region North America
AMD or Nvidia Model Number GTX 1070

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360 Controller+mouse setup.  Left hand on controller, right hand on mouse.  Here is a dxdiag attached.

Again, the side buttons on my mouse, the Razer Naga Epic, can not be used until I stop all input on my controller.  When I stop, then I can use those buttons. 

The rest of the mouse works just fine in conjunction with the controller.

So I can run one way using the controller while aiming another using my mouse.  I can shoot and zoom in.  I can utilize the buttons on the controller that my left hand reaches while using the mouse.

But I cannot use the side buttons on my mouse (12 of them) while the controller is being used, and are assigned with actions.

The mouse side buttons also won't assign under the reassign keys under the mouse section, but only in the keyboard section.  If I hit these buttons while not in game, like say here, this is how they naturally respond to it as default.  1234567890-=

So those 12 characters (1 through =) might be important to know what they default to . Also again, this method works in tons of other games, including EA online games such as Battlefield 4, 1.  Overwatch, etc, etc.

It almost works in this game, just for whatever reason, the buttons won't work unless the controller is not being used.