Action buttons overlay action buttons from right layout in mobile view

ui/src/app/dashboard/dashboard.scss

@@ -122,7 +122,7 @@ section.tb-powered-by-footer {
   position: absolute;
   right: 25px;
   bottom: 5px;
-  z-index: 3;
+  z-index: 30;
   pointer-events: none;
   span {
     font-size: 12px;

ui/src/app/dashboard/dashboard.tpl.html

@@ -146,7 +146,7 @@
                         ng-style="{minWidth: vm.rightLayoutWidth(),
                                    maxWidth: vm.rightLayoutWidth(),
                                    height: vm.rightLayoutHeight(),
-                                   zIndex: 12}"
+                                   zIndex: 25}"
                         md-component-id="right-dashboard-layout"
                         aria-label="Right dashboard layout"
                         md-is-open="vm.rightLayoutOpened"

ui/src/scss/main.scss

@@ -617,7 +617,7 @@ section.tb-footer-buttons {
   position: fixed;
   right: 20px;
   bottom: 20px;
-  z-index: 13;
+  z-index: 30;
   pointer-events: none;
 }