fix: Image block DOM clutter, keyboard handling, and copy/paste#456

Merged

matthewlipski merged 4 commits intomainfrom

image-block-qol

Jan 3, 2024

Commits on Dec 5, 2023

Reduced image block DOM clutter and fixed key handling
matthewlipski
committed

Commits on Dec 19, 2023

Improved block without inline content copying and dragging
matthewlipski
committed

Commits on Jan 2, 2024

Added comments and edited image copy/paste test (now tests new behavior)
matthewlipski
committed

Commits on Jan 3, 2024

Updated snapshot
matthewlipski
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