Issue #3338656: Allow to choose media view mode for layout background image

Closes #3338656

changed target branch from 6.x to 6.1.x

added 64 commits

• 436fc506...b36ce620 - 63 commits from branch project:6.1.x
• 3dd7f65f - Merge branch rocketship_core:6.1.x into 3338656-allow-to-choose

Compare with previous version

merged