Merge pull request #574 from RedisInsight/bugfix/RI-2732

#RI-2732 - fix resize btn

Author: rsergeenko

redisinsight/ui/src/pages/browser/components/key-tree/styles.module.scss

@@ -37,9 +37,12 @@
   }
 }
 
+.resizableButton {
+  z-index: 1 !important;
+}
 .resizableButton:not(:hover) {
   &::before, &::after {
-    width: 0px !important;
+    width: 0 !important;
   }
 }