fix: use getLanguageId instead of model.id (#76)

Author: JounQin

.changeset/hip-dolphins-relax.md

@@ -0,0 +1,5 @@
+---
+"ng-monaco-editor": patch
+---
+
+fix: use getLanguageId instead of model.id

src/monaco-common-editor.component.ts

@@ -227,7 +227,7 @@ export abstract class MonacoCommonEditorComponent
       this.editor = this.createEditor();
       this.listenModelChanges();
       this.editorChange.emit(this.editor);
-      this.modelId = this.model!.id;
+      this.modelId = this.model!.getLanguageId();
       this.cdr.markForCheck();
     }
   }