feat(back-to-top)!: port to pf-v6-back-to-top #11159

Job	Run time
Compile project (22)	1m 13s
Compile project (24)	1m 19s
Verify that build runs on Windows	1m 37s
Lint files	45s
SSR Tests (Playwright)	1m 42s
Unit Tests (Web Test Runner)	2m 18s
Publish Playwright Report	1m 37s
Validate successful build on main	4s
Verify that build runs on Windows	1m 54s
Unit Tests (Web Test Runner)	2m 16s
Lint files	41s
SSR Tests (Playwright)	1m 37s
Compile project (24)	1m 29s
Compile project (22)	1m 9s
Publish Playwright Report	2m 2s
Validate successful build on main	4s
	21m 47s

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