feat: add comprehensive e2e tests for ApplicationSet progressive sync #47287

Job	Run time
shellcheck	13s
changes	20s
Ensure Go modules synchronicity	21s
Lint Go code	3m 39s
Build, test & lint UI code	1m 36s
Check changes to generated code	6m 10s
Build & cache Go code	3m 32s
Run unit tests with -race for Go packages	11m 0s
Run end-to-end tests (v1.32.1, false)	55m 49s
Run unit tests for Go packages	6m 35s
Run end-to-end tests (v1.33.1, true)	46m 51s
Run end-to-end tests (v1.31.0, false)	48m 8s
Run end-to-end tests (v1.30.4, false)	45m 3s
E2E Tests - Composite result	4s
Process & analyze test artifacts	0s
	3h 49m 21s

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