fix: Simplify loop stopping condition to prevent off-by-one errors #19099

Job	Run time
Check Nightly Status	4s
Should Run CI	1s
Filter Paths	9s
Test Docs Build	0s
Lint Backend / Run Mypy (3.12)	54s
Run Frontend Tests / Determine Test Suites and Shard Distribution	46s
Lint Backend / Run Mypy (3.11)	48s
Run Backend Tests / Unit Tests - Python 3.10 - Group 1	3m 47s
Lint Backend / Run Mypy (3.10)	52s
Run Backend Tests / Unit Tests - Python 3.10 - Group 2	4m 2s
Run Backend Tests / Integration Tests - Python 3.10	1m 51s
Run Backend Tests / Unit Tests - Python 3.10 - Group 3	3m 59s
Run Backend Tests / Unit Tests - Python 3.10 - Group 4	4m 27s
Run Backend Tests / Unit Tests - Python 3.10 - Group 5	4m 4s
Run Backend Tests / Test CLI - Python 3.10	8s
Run Frontend Tests / Playwright Tests - Shard 1/10	6m 24s
Run Frontend Tests / Playwright Tests - Shard 2/10	4m 37s
Run Frontend Tests / Playwright Tests - Shard 3/10	7m 10s
Run Frontend Tests / Playwright Tests - Shard 4/10	6m 18s
Run Frontend Tests / Playwright Tests - Shard 5/10	5m 18s
Run Frontend Tests / Playwright Tests - Shard 6/10	4m 51s
Run Frontend Tests / Playwright Tests - Shard 7/10	4m 11s
Run Frontend Tests / Playwright Tests - Shard 8/10	4m 7s
Run Frontend Tests / Playwright Tests - Shard 9/10	4m 15s
Run Frontend Tests / Playwright Tests - Shard 10/10	4m 11s
Run Frontend Tests / merge-reports	2s
CI Success	1s
	1h 17m 17s

Provide feedback