Change FunkinModchart version to a more stable one. (#800)

There was some critical bugs, such as:
- Hold notes were invisible just until a hold from player 2 (boyfriend) appears.
- Renderer skipping Independent strum/note/strumline cameras.

Author: theoo-h

building/libs.xml

@@ -16,7 +16,7 @@
 		<git name="hscript-improved" url="https://github.com/CodenameCrew/hscript-improved" ref="codename-dev" />
 		<git name="flxanimate" url="https://github.com/CodenameCrew/cne-flxanimate" />
 		<git name="hxdiscord_rpc" url="https://github.com/CodenameCrew/cne-hxdiscord_rpc" skipDeps="true" />
-		<git name="funkin-modchart" url="https://github.com/TheoDevelops/FunkinModchart" ref="f30676579d8de7ccac7d12e13b664e8b2c42c6bf" skipDeps="true" />
+		<lib name="funkin-modchart" version="1.2.4" skipDeps="true" />
 		<lib name="hxvlc" version="1.9.3" skipDeps="true" />
 
 		<!-- Documentation and other features -->