Add a tooltip to the tool window refresh action (#7923)

<img width="523" alt="Screenshot 2025-02-04 at 11 40 35 AM"
src="https://github.com/user-attachments/assets/76b22a9f-7e22-4baf-94f7-8ef15047a061"
/>

Fixes #7895

Author: kenzieschmoll

flutter-idea/src/io/flutter/FlutterBundle.properties

@@ -43,6 +43,8 @@ flutter.title=Flutter
 flutter.sdk.notAvailable.title=No Flutter SDK Configured
 flutter.sdk.notAvailable.message=This action requires a Flutter SDK to be configured; configure one now?
 
+flutter.toolwindow.action.refresh=Refresh Contents
+
 outdated.dependencies.inspection.name=Outdated package dependencies
 pub.get.not.run='Pub get' has not been run
 pubspec.edited=Pubspec has been edited

flutter-idea/src/io/flutter/actions/RefreshToolWindowAction.java

@@ -9,6 +9,7 @@
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.project.DumbAwareAction;
 import com.intellij.openapi.project.Project;
+import io.flutter.FlutterBundle;
 import io.flutter.FlutterUtils;
 import org.jetbrains.annotations.NotNull;
 
@@ -18,13 +19,14 @@ public class RefreshToolWindowAction extends DumbAwareAction {
   private String toolWindowId;
 
   public RefreshToolWindowAction() {
-    super(AllIcons.Actions.Refresh);
+    super(FlutterBundle.message("flutter.toolwindow.action.refresh"), null, AllIcons.Actions.Refresh);
   }
 
   public RefreshToolWindowAction(@NotNull String toolWindowId) {
-    super(AllIcons.Actions.Refresh);
+    super(FlutterBundle.message("flutter.toolwindow.action.refresh"), null, AllIcons.Actions.Refresh);
     this.toolWindowId = toolWindowId;
   }
+
   @Override
   public void actionPerformed(@NotNull AnActionEvent event) {
     final Project project = event.getProject();