fix(editor): close tree sitter language only if it is externally loaded

Author: itsaky

editor/src/main/java/com/itsaky/androidide/editor/language/treesitter/TreeSitterLanguageSpec.kt

@@ -47,7 +47,9 @@ class TreeSitterLanguageSpec
 
   override fun close() {
     indentsQuery?.close()
-    spec.language.close()
+    if (spec.language.isExternal) {
+      spec.language.close()
+    }
     spec.close()
   }
 }