debug: alllow to resize Breakpoints section in Debug sidebar

fixes #46886

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

@@ -51,9 +51,9 @@ function createCheckbox(): HTMLInputElement {
 }
 
 const MAX_VISIBLE_BREAKPOINTS = 9;
-export function getExpandedBodySize(model: IDebugModel): number {
+export function getExpandedBodySize(model: IDebugModel, countLimit: number): number {
 	const length = model.getBreakpoints().length + model.getExceptionBreakpoints().length + model.getFunctionBreakpoints().length + model.getDataBreakpoints().length;
-	return Math.min(MAX_VISIBLE_BREAKPOINTS, length) * 22;
+	return Math.min(countLimit, length) * 22;
 }
 type BreakpointItem = IBreakpoint | IFunctionBreakpoint | IDataBreakpoint | IExceptionBreakpoint;
 
@@ -233,8 +233,8 @@ export class BreakpointsView extends ViewPane {
 
 	private updateSize(): void {
 		// Adjust expanded body size
-		this.minimumBodySize = this.orientation === Orientation.VERTICAL ? getExpandedBodySize(this.debugService.getModel()) : 170;
-		this.maximumBodySize = this.orientation === Orientation.VERTICAL ? this.minimumBodySize : Number.POSITIVE_INFINITY;
+		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;
 	}
 
 	private onBreakpointsChange(): void {

src/vs/workbench/contrib/debug/test/browser/breakpoints.test.ts

@@ -98,10 +98,10 @@ suite('Debug - Breakpoints', () => {
 		const modelUri1 = uri.file('/myfolder/my file first.js');
 		const modelUri2 = uri.file('/secondfolder/second/second file.js');
 		addBreakpointsAndCheckEvents(model, modelUri1, [{ lineNumber: 5, enabled: true }, { lineNumber: 10, enabled: false }]);
-		assert.equal(getExpandedBodySize(model), 44);
+		assert.equal(getExpandedBodySize(model, 9), 44);
 
 		addBreakpointsAndCheckEvents(model, modelUri2, [{ lineNumber: 1, enabled: true }, { lineNumber: 2, enabled: true }, { lineNumber: 3, enabled: false }]);
-		assert.equal(getExpandedBodySize(model), 110);
+		assert.equal(getExpandedBodySize(model, 9), 110);
 
 		assert.equal(model.getBreakpoints().length, 5);
 		assert.equal(model.getBreakpoints({ uri: modelUri1 }).length, 2);
@@ -135,7 +135,7 @@ suite('Debug - Breakpoints', () => {
 		assert.equal(bp.enabled, true);
 
 		model.removeBreakpoints(model.getBreakpoints({ uri: modelUri1 }));
-		assert.equal(getExpandedBodySize(model), 66);
+		assert.equal(getExpandedBodySize(model, 9), 66);
 
 		assert.equal(model.getBreakpoints().length, 3);
 	});