src/vs/workbench/browser/parts/editor/textDiffEditor.ts/TextDiffEditor/onDidChangeFileSystemProvider
class TextDiffEditor:	private onDidChangeFileSystemProvider(scheme: string): void {
		if (this.input instanceof DiffEditorInput && (this.input.originalInput.resource?.scheme === scheme || this.input.modifiedInput.resource?.scheme === scheme)) {
			this.updateReadonly(this.input);
		}
	}