test(e2e): harden workspace collaboration coverage #17081

Job	Run time
Resolve runner profiles	11s
Detect validation scopes	14s
Static gate	14s
E2E Vitest	6m 9s
Preflight	3m 45s
UI P0 (entry-settings)	14m 22s
UI P0 (project-runtime)	7m 25s
UI P0 (workspace-restoration)	9m 47s
Workspace unit tests	1m 23s
UI P0 (project-workspace)	13m 49s
Playwright visual (settings-workspace)	4m 57s
Playwright visual (entry-navigation)	4m 50s
Web workspace tests	0s
Playwright critical (${{ matrix.group }})	0s
Windows tools-pack payload tests	0s
Validate workspace	2s
Runtime summary	5s
	1h 7m 13s

Provide feedback