Fix grid rearrange bugs #16637

Job	Run time
Check unpinned dependencies	13s
Test Server	21s
Install everything with PNPM and cache it / Install everything with PNPM and cache it	2m 35s
Test Editor PR – Jest tests	10m 30s
Deploy Branch Editor	3m 59s
Test Editor PR – TypeScript, ESLint, dependency-cruiser	7m 23s
Run BFF Tests	2m 11s
Test Editor Shard 1 / Test Editor PR – Karma tests (Shard 1)	12m 5s
Test Editor Shard 2 / Test Editor PR – Karma tests (Shard 2)	11m 42s
Run System Tests	2m 47s
Run Collaboration Tests	2m 20s
Run Performance Tests	0s
	56m 6s

Provide feedback