feat(background-image): port `pf-v5-background-image` to `pf-v6-background-image` #11099

Job	Run time
Verify that build runs on Windows	1m 32s
Unit Tests (Web Test Runner)	2m 13s
SSR Tests (Playwright)	2m 1s
Lint files	48s
Compile project	0s
Publish Playwright Report	1m 6s
Validate successful build on main	4s
	7m 44s

Provide feedback