Update custom-emoji

[Fiffers]

This PR includes a couple of bug fixes:

• Add missing padding to the latest message when we need to scooch the messages down. It made more sense for this functionality to be in the scrolling manager, so I moved the logic to that class.
• Fix bug causing positions to be incorrect after toggling resize mode on an emoji. Refactored the cache clearing methods in the rendering classes a bit to handle problems like this better in the future.

Moved the methods around a bit in some of the classes so they're in public -> protected -> private order.
Extracted a couple methods to the PluginUtils class as well

[runelite-github-app]

custom-emoji: 5a6822f6547e8bb4dd2b1838992fdd1e7d311a83..93b1e21c7554bbb2abc45774925ea6d195f638b0

[runelite-github-app]

This plugin requires a review from a Plugin Hub maintainer. The reviewer will request any additional changes if needed.

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