fixes #99200

src/vs/workbench/contrib/debug/browser/breakpointsView.ts

@@ -154,6 +154,11 @@ export class BreakpointsView extends ViewPane {
 				this.onBreakpointsChange();
 			}
 		}));
+
+		const containerModel = this.viewDescriptorService.getViewContainerModel(this.viewDescriptorService.getViewContainerByViewId(this.id)!)!;
+		this._register(containerModel.onDidChangeAllViewDescriptors(() => {
+			this.updateSize();
+		}));
 	}
 
 	public focus(): void {
@@ -237,9 +242,11 @@ export class BreakpointsView extends ViewPane {
 	}
 
 	private updateSize(): void {
+		const containerModel = this.viewDescriptorService.getViewContainerModel(this.viewDescriptorService.getViewContainerByViewId(this.id)!)!;
+
 		// Adjust expanded body size
 		this.minimumBodySize = this.orientation === Orientation.VERTICAL ? getExpandedBodySize(this.debugService.getModel(), MAX_VISIBLE_BREAKPOINTS) : 170;
-		this.maximumBodySize = this.orientation === Orientation.VERTICAL ? getExpandedBodySize(this.debugService.getModel(), Number.POSITIVE_INFINITY) : Number.POSITIVE_INFINITY;
+		this.maximumBodySize = this.orientation === Orientation.VERTICAL && containerModel.visibleViewDescriptors.length > 1 ? getExpandedBodySize(this.debugService.getModel(), Number.POSITIVE_INFINITY) : Number.POSITIVE_INFINITY;
 	}
 
 	private onBreakpointsChange(): void {

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

@@ -303,6 +303,11 @@ export class OpenEditorsView extends ViewPane {
 				this.listRefreshScheduler.schedule(0);
 			}
 		}));
+
+		const containerModel = this.viewDescriptorService.getViewContainerModel(this.viewDescriptorService.getViewContainerByViewId(this.id)!)!;
+		this._register(containerModel.onDidChangeAllViewDescriptors(() => {
+			this.updateSize();
+		}));
 	}
 
 	getActions(): IAction[] {
@@ -446,6 +451,11 @@ export class OpenEditorsView extends ViewPane {
 	}
 
 	private getMaxExpandedBodySize(): number {
+		const containerModel = this.viewDescriptorService.getViewContainerModel(this.viewDescriptorService.getViewContainerByViewId(this.id)!)!;
+		if (containerModel.visibleViewDescriptors.length <= 1) {
+			return Number.POSITIVE_INFINITY;
+		}
+
 		return this.elementCount * OpenEditorsDelegate.ITEM_HEIGHT;
 	}