Update Banner component in Salt Figma

[bhoppers2008]

The following updates have been made in Salt Next, and need to be made to Salt Light/Dark. Salt Next issue #3642 #3760

Aug 3, 2024 update

• Optional title element added.
• Swappable Content area added.
• Inline swap added.
• Props added to support swapping and optional elements.
• Prop names and order updated.
• All component descriptions updated.
• QA stories added.

[mark-tate]

Cortado Goal: Update in Salt 1 spec in light/dark

[origami-z]

Aug 12 - should be pushed to later sprint. Move to next sprint due to capacity.

[yunjungyeh]

@bhoppers2008 Branches are created with some updates in Light/Dark (called #3935 Update Banner: Optional title, swappable content area, Inline swap)