fix: menu , list , item-label at global css should not have fixed width (openobserve#7009)

This PR fixes the fixed width to auto width before it was 150px which
makes some menu to be 150px only

Author: nikhilsaikethe

web/src/styles/tailwind.css

@@ -22,10 +22,7 @@
     overflow: hidden;
     white-space: nowrap;
     text-overflow: ellipsis;
-    width: 150px;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
+    width: auto;
   }
   /* ... */
 }