docs(editor): New Nodes Panel title for triggers (#7314)

Github issue / Community forum post (link here to close automatically):

packages/editor-ui/src/components/Node/NodeCreator/__tests__/NodesListPanel.test.ts

@@ -58,7 +58,7 @@ describe('NodesListPanel', () => {
 			});
 
 			await nextTick();
-			expect(screen.getByText('Select a trigger')).toBeInTheDocument();
+			expect(screen.getByText('What triggers this workflow?')).toBeInTheDocument();
 			expect(screen.queryByTestId('node-creator-search-bar')).toBeInTheDocument();
 			screen.getByText('On app event').click();
 			await nextTick();