Apply Media global setting to Multicolumns' media

[melissaperreault]

Describe the current behavior

We currently can't apply consistently Media global setting to content container. This is preventing us to create this example reference.

Describe the expected behavior

Give merchants the ability to add global settings on Media alone, not just on the multicolumn's cards.

Other considerations

• Merchants could add border to both Content containers AND Media and may not be the preferred visual outcome, but this is okay. This opportunity enable the flexibility for the more minimalist brand needs.
• UX to give guidance of the exception and additional considerations for all settings combinations to ensure it scales properly as needed.

[melissaperreault]

from @Oliviammarcello #1759 (comment)

When adding an image to the multicolumn section, the Theme settings --> Media settings don't apply to the image. E.g the stroke opacity or corner radius. Video