refactor: change SafeLocalStorage key type #6132

Job	Run time
Bundle size check	2m 44s
test	2m 10s
code_style (lint)	2m 41s
code_style (prettier)	4m 21s
code_style (typecheck)	2m 16s
code_style (build:sample-apps)	3m 34s
ui-test / Playwright Tests (1, 5)	11m 52s
ui-test / Playwright Tests (2, 5)	13m 31s
ui-test / Playwright Tests (3, 5)	6m 58s
ui-test / Playwright Tests (4, 5)	8m 49s
ui-test / Playwright Tests (5, 5)	8m 42s
ui-test / setup_playwright_runners / setup-runners	41s
	1h 8m 19s

Provide feedback