propogate proportional layout flag

sbatten · sbatten · commit d48e978ebdff · 2019-01-25T14:25:47.000-08:00
fixes microsoft#67018 fyi @joaomoreno
diff --git a/src/vs/base/browser/ui/grid/gridview.ts b/src/vs/base/browser/ui/grid/gridview.ts
@@ -147,7 +147,7 @@ class BranchNode implements ISplitView, IDisposable {
 		this._orthogonalSize = orthogonalSize;
 
 		this.element = $('.monaco-grid-branch-node');
-		this.splitview = new SplitView(this.element, { orientation, styles });
+		this.splitview = new SplitView(this.element, { orientation, styles, proportionalLayout });
 		this.splitview.layout(size);
 
 		const onDidSashReset = Event.map(this.splitview.onDidSashReset, i => [i]);
