src/vs/workbench/contrib/scm/browser/dirtydiffDecorator.ts/DirtyDiffDecorator/dispose
class DirtyDiffDecorator:	override dispose(): void {
		super.dispose();

		if (this.editorModel && !this.editorModel.isDisposed()) {
			this.editorModel.deltaDecorations(this.decorations, []);
		}

		this.editorModel = null;
		this.decorations = [];
	}