Install LM Studio's launcher under its own desktop ID and URL scheme

pkgbuilds/lmstudio-bin/lmstudio.desktop

@@ -8,5 +8,5 @@ Type=Application
 Categories=Development;ArtificialIntelligence;
 Terminal=false
 StartupNotify=true
-StartupWMClass=LM-Studio
-MimeType=text/plain;
+StartupWMClass=ai.elementlabs.lmstudio
+MimeType=x-scheme-handler/lmstudio;