1.21-4.5.0: Only Update Used Sprites

[soir20]

• MoreMcmeta now only updates actively-used sprites rather than all sprites on every tick. This should help performance with sprite-heavy resource packs on some computers.
• Fixes an issue where animation frame sizes that aren't multiples of the texture size would cause crashes.
• Metadata and texture error log statements have been lowered from ERROR to WARN.

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This discussion was created from the release 1.21-4.5.0: Only Update Used Sprites.