Only open browser after session is started

ext/base/src/main/java/io/xpipe/ext/base/action/BrowseStoreAction.java

@@ -54,10 +54,10 @@ public class BrowseStoreAction implements ActionProvider {
         DataStoreEntry entry;
 
         @Override
-        public void execute() {
+        public void execute() throws Exception {
             DataStoreEntryRef<FileSystemStore> replacement =
                     ProcessControlProvider.get().replace(entry.ref());
-            BrowserSessionModel.DEFAULT.openFileSystemAsync(replacement, null, new SimpleBooleanProperty());
+            BrowserSessionModel.DEFAULT.openFileSystemSync(replacement, null, new SimpleBooleanProperty());
             AppLayoutModel.get().selectBrowser();
         }
     }