This commit updates the platform-server tests to use the new application builder, with this change we also have to remove the sizechecks since esbuild will do code motion and split the code into multiple chunks example `chunk-QUKLKPSE.js`.
PR Close#53205
Prior to this change in some cases errors tht happen during routing were not being surfaced. This is due to the fact that the router has floating promises, and the platform was being destroyed prior to these being settled.
PR Close#50587
