Disable minimap in diff & embedded editors

src/vs/editor/browser/widget/diffEditorWidget.ts

@@ -887,6 +887,7 @@ export class DiffEditorWidget extends EventEmitter implements editorBrowser.IDif
 		clonedOptions.codeLens = false;
 		clonedOptions.fixedOverflowWidgets = true;
 		clonedOptions.lineDecorationsWidth = '2ch';
+		clonedOptions.minimap.enabled = false;
 		return clonedOptions;
 	}
 

src/vs/editor/contrib/referenceSearch/browser/referencesWidget.ts

@@ -557,7 +557,10 @@ export class ReferenceWidget extends PeekViewWidget {
 				scrollBeyondLastLine: false,
 				scrollbar: DefaultConfig.editor.scrollbar,
 				overviewRulerLanes: 2,
-				fixedOverflowWidgets: true
+				fixedOverflowWidgets: true,
+				minimap: {
+					enabled: false
+				}
 			};
 
 			this._preview = this._instantiationService.createInstance(EmbeddedCodeEditorWidget, div.getHTMLElement(), options, this.editor);