aux window - fix watermark positioning (#198418)

Author: bpasero

src/vs/workbench/browser/parts/editor/editorPart.ts

@@ -208,8 +208,8 @@ export class EditorPart extends Part implements IEditorPart, IEditorGroupsView {
 		});
 	}
 
-	private _top = 0;
-	private _left = 0;
+	private top = 0;
+	private left = 0;
 	private _contentDimension!: Dimension;
 	get contentDimension(): Dimension { return this._contentDimension; }
 
@@ -1292,8 +1292,8 @@ export class EditorPart extends Part implements IEditorPart, IEditorGroupsView {
 	}
 
 	override layout(width: number, height: number, top: number, left: number): void {
-		this._top = top;
-		this._left = left;
+		this.top = top;
+		this.left = left;
 
 		// Layout contents
 		const contentAreaSize = super.layoutContents(width, height).contentSize;
@@ -1302,7 +1302,7 @@ export class EditorPart extends Part implements IEditorPart, IEditorGroupsView {
 		this.doLayout(Dimension.lift(contentAreaSize), top, left);
 	}
 
-	private doLayout(dimension: Dimension, top = this._top, left = this._left): void {
+	private doLayout(dimension: Dimension, top = this.top, left = this.left): void {
 		this._contentDimension = dimension;
 
 		// Layout Grid

src/vs/workbench/browser/parts/editor/media/editorgroupview.css

@@ -43,7 +43,8 @@
 	display: none;
 }
 
-.monaco-workbench .part.editor > .content:not(.empty) .editor-group-container.empty > .editor-group-watermark {
+.monaco-workbench .part.editor > .content:not(.empty) .editor-group-container.empty > .editor-group-watermark,
+.monaco-workbench .part.editor > .content.auxiliary .editor-group-container.empty > .editor-group-watermark {
 	max-width: 200px;
 	height: calc(100% - 70px);
 }
@@ -72,7 +73,7 @@
 
 .monaco-workbench .part.editor > .content:not(.empty) .editor-group-container > .editor-group-watermark > .shortcuts,
 .monaco-workbench .part.editor > .content.auxiliary .editor-group-container > .editor-group-watermark > .shortcuts,
-	.monaco-workbench .part.editor > .content .editor-group-container.max-height-478px > .editor-group-watermark > .shortcuts {
+.monaco-workbench .part.editor > .content .editor-group-container.max-height-478px > .editor-group-watermark > .shortcuts {
 	display: none;
 }