Format-library: Text-color popover width to fit sidebar

[shimotmk]

What?

Format-library: Text-color popover width to fit sidebar
Make text-color popover width consistent with sidebar.

The code used for reference is as follows.

gutenberg/packages/block-editor/src/components/colors-gradients/style.scss

Line 47 in 39ed61d

width: ( $swatch-size * 6 ) + ( $swatch-gap * 5 ) + ( $panelPadding * 2 );

gutenberg/packages/format-library/src/text-color/style.scss

Line 4 in 39ed61d

padding: 16px;

Testing Instructions

1. Open a post or page.
2. Insert a paragraph block.
3. Set Highlight text or background color
4. You can see that the width matches the sidebar.

Screenshots or screencast

Sidebar

You can see six color circles lined up.

Before	After

[github-actions]

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Co-authored-by: shimotmk <[email protected]>

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