Modify router-worker logic to allow for running user-worker ahead of assets #5154

Job	Run time
Checks	0s
Add PR to project	4s
Checks	4m 33s
Tests (macos-13, ./fixtures/*)	7m 31s
Tests (macos-13, ./packages/*)	6m 14s
Tests (ubuntu-latest, ./fixtures/*)	4m 9s
Tests (ubuntu-latest, ./packages/*)	3m 43s
Tests (ubuntu-latest, ./tools)	35s
Tests (windows-latest, ./fixtures/*)	7m 24s
Tests (windows-latest, ./packages/*)	5m 52s
	40m 5s

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