fix RIDER-79865 Ampersand is missing in the Unit Tests mode for Unity project

(cherry picked from commit 3053c0249d787fb2513ad2ea22df4f965920278d)

Author: van800

rider/src/main/resources/messages/UnityUIBundle.properties

@@ -12,7 +12,7 @@ dialog.unsaved.button.commit.anyway=Commit Anyway
 action.run.with.nunit.launcher.description=Run with NUnit launcher
 action.run.with.nunit.launcher.text=Standalone NUnit Launcher
 action.run.with.unity.editor.description=Run with Unity Editor
-action.run.with.unity.editor.text=Unity - Edit && Play Mode
+action.run.with.unity.editor.text=Unity - Edit \\&\\& Play Mode
 action.run.with.unity.editor.in.edit.mode.description=Run with Unity Editor in Edit Mode
 action.run.with.unity.editor.in.edit.mode.text=Unity - Edit Mode
 action.run.with.unity.editor.in.play.mode.description=Run with Unity Editor in Play Mode