Commit Action button polish (microsoft#154908)

More Commit Action button tweaks

Author: lszomoru

src/vs/base/browser/ui/button/button.css

@@ -52,6 +52,7 @@
 
 .monaco-button-dropdown .monaco-button-dropdown-separator {
 	padding: 4px 0;
+	cursor: default;
 }
 
 .monaco-button-dropdown .monaco-button-dropdown-separator > div {

src/vs/workbench/contrib/scm/browser/scmViewPane.ts

@@ -2668,6 +2668,7 @@ export class SCMActionButton implements IDisposable {
 				actions: actions,
 				addPrimaryActionToDropdown: false,
 				contextMenuProvider: this.contextMenuService,
+				title: button.command.tooltip,
 				supportIcons: true
 			});
 		} else if (button.description) {
@@ -2681,7 +2682,6 @@ export class SCMActionButton implements IDisposable {
 
 		this.button.enabled = button.enabled;
 		this.button.label = button.command.title;
-		this.button.element.title = button.command.tooltip ?? '';
 		this.button.onDidClick(async () => await executeButtonAction(button.command.id, ...(button.command.arguments || [])), null, this.disposables.value);
 
 		this.disposables.value!.add(this.button);