[wp-trac] [WordPress Trac] #64530: Backport: Paragraph: Add text column support

[WordPress Trac]

#64530: Backport: Paragraph: Add text column support
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 Reporter:  scruffian     |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Backport for https://github.com/WordPress/gutenberg/pull/74656/
 GitHub PR: https://github.com/WordPress/wordpress-develop/pull/10756


 ## What?
 Enables columns support in paragraph blocks

 ## Why?
 <!-- Why is this PR necessary? What problem is it solving? Reference any
 existing previous issue(s) or PR(s), but please add a short summary here,
 too -->
 This is a useful control for the paragraph block.

 ## How?
 <!-- How is your PR addressing the issue at hand? What are the
 implementation details? -->
 Add support for `textColumns` to the block

 ## Testing Instructions
 1. Select a paragraph block
 2. Enable columns in the paragraph typography block
 3. Confirm that changes to the number of columns are reflected in the
 frontend and editor

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Ticket URL: <https://core.trac.wordpress.org/ticket/64530>
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