Issue #2938433 by jastraat, sonnykt: Add Label field formatter

Closes #2938433

added 41 commits

• 20dd5334...1eec6340 - 40 commits from branch project:8.x-2.x
• 60a709c3 - Merge branch viewsreference:8.x-2.x into 2938433-add-label-field

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added 1 commit

• 9ec07d92 - Fix phpcs error

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