Fixes terminal find widget not showing result count (microsoft#166902)

Fixes microsoft#166901

Co-authored-by: Megan Rogge <[email protected]>

Author: jeanp413

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -460,6 +460,9 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 			if (this._container) {
 				this._container.appendChild(findWidget.getDomNode());
 			}
+			if (this._lastLayoutDimensions) {
+				findWidget.layout(this._lastLayoutDimensions.width);
+			}
 			return findWidget;
 		});