Output theme color palette presets when appearance tools are enabled

[isabel_brison]

The changes from ​https://github.com/WordPress/gutenberg/pull/57190 need to be synced to core to prepare for appearance tools theme support in #60118.

This change should make sure that theme color palette presets are output when either appearance tools or border theme support are enabled.

Trac ticket: https://core.trac.wordpress.org/ticket/60134

Syncs the changes from ​https://github.com/WordPress/gutenberg/pull/57190.

TODO: add a unit test.

[isabel_brison]

In 57259:

Editor: output palette presets when appearance tools or border are enabled.

Adds color palette presets to global styles output if current theme supports either appearance tools or border.

Props andrewserong, noisysocks.
Fixes #60134.

Thanks for the reviews folks! Committed in r57259.

Trac ticket: https://core.trac.wordpress.org/ticket/60134

There is minor issue for comment formate: https://core.trac.wordpress.org/changeset/57259

[isabel_brison]

In 57261:

Editor: fix inline comment formatting.

Correctly formats inline comment in wp_get_global_stylesheet.

Follow-up to [57259].

Props mukesh27.
See #60134.

Committed in r57261.