Titanfall 2 - Frontier Defense Suggestion

Greetings, here is an issue I found not okay.
In Frontier Defense when you lose a round you retry, everything refreshes except one thing. One detail makes me sad.
Monarch Titan's power is depending on its core upgrade level so once you lose a round you start with new mech which has no upgrades at all, makes it very hard to level it up specially in last rounds. Would be awesome if you retry a lost round, you get Monarch same level as you started the round for first time.
For example you started round 4 with Monarch 2 times upgraded and you lost, you should restart the round with same Monarch which is 2 times upgraded.