Update custom-emoji

[Fiffers]

The CustomEmojiPlugin class is a complete spaghetti mess, so this PR implements an optional new EmojiLoader class that handles most of the emoji loading stuff instead. It still has some bugs that I need to sort out, so I've left the old loader stuff in for now.

New stuff:

• BeforeEmojisLoaded and AfterEmojisLoaded events to better decouple the loading process
• EmojiLoader because it's easier to parse what's going on if you're not trying to read a 2000-line file
• FileUtils just to hold on to some useful static methods for file io stuff
• EmojiDto dedicated data-transfer object for dedicatedly data transferring stuff between objects (File IO -> Emoji)
• A new config option to toggle between the old and new loader

Changed stuff:

• Updated the AnimatedEmoji and StaticEmoji classes to be able to use a builder pattern

[runelite-github-app]

custom-emoji: a94588bb5c287beb7b2ee8a0d01c683eee242540..791a415e8ff6cb1f353be8f18b13d84a8b776e39

[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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Internal use only: Reviewer details Maintainer details