refactor(NodesViewer): match default control styles

Author: ariser

src/components/NodesViewer/NodesViewer.scss

@@ -5,11 +5,7 @@
     @include flex-container();
 
     &__controls {
-        display: flex;
-        align-items: center;
-        gap: 12px;
-
-        margin: 0 0 8px;
+        @include controls;
     }
 
     &__name {

src/containers/Tenant/Diagnostics/Diagnostics.scss

@@ -39,6 +39,7 @@
         width: 100%;
         padding: 0 20px;
 
+        & .nodes-viewer,
         & .global-storage {
             &__controls {
                 padding-top: 0;