UX: Move emoji setting into 'Plugins' category
Revert "Revert "FEATURE: fenced code blocks can hint with "pre" or "text"""

This reverts commit 4487d6a4c25ba5d3a366e2a8ada489a6a08d67ab.
correct tests
SECURITY: rate limit change email requests
Merge pull request #2804 from lidel/plugins-category-in-settings

UX: Move emoji setting into 'Plugins' category