openEditorsView: enable to move between containers

#89729

src/vs/workbench/contrib/files/browser/views/openEditorsView.ts

@@ -42,7 +42,6 @@ import { URI } from 'vs/base/common/uri';
 import { withUndefinedAsNull } from 'vs/base/common/types';
 import { isWeb } from 'vs/base/common/platform';
 import { IWorkingCopyService, IWorkingCopy, WorkingCopyCapabilities } from 'vs/workbench/services/workingCopy/common/workingCopyService';
-import { SIDE_BAR_BACKGROUND } from 'vs/workbench/common/theme';
 import { AutoSaveMode, IFilesConfigurationService } from 'vs/workbench/services/filesConfiguration/common/filesConfigurationService';
 import { IViewDescriptorService } from 'vs/workbench/common/views';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
@@ -225,7 +224,7 @@ export class OpenEditorsView extends ViewPane {
 			identityProvider: { getId: (element: OpenEditor | IEditorGroup) => element instanceof OpenEditor ? element.getId() : element.id.toString() },
 			dnd: new OpenEditorsDragAndDrop(this.instantiationService, this.editorGroupService),
 			overrideStyles: {
-				listBackground: SIDE_BAR_BACKGROUND
+				listBackground: this.getBackgroundColor()
 			}
 		});
 		this._register(this.list);
@@ -303,6 +302,12 @@ export class OpenEditorsView extends ViewPane {
 				this.listRefreshScheduler.schedule(0);
 			}
 		}));
+
+		this._register(this.viewDescriptorService.onDidChangeLocation(({ views }) => {
+			if (views.some(v => v.id === this.id)) {
+				this.list.updateOptions({ overrideStyles: { listBackground: this.getBackgroundColor() } });
+			}
+		}));
 	}
 
 	getActions(): IAction[] {