[CLA on File] style: added padding to object & icon button labels (#6036)

Author: taintedbones

e2e/tests/functional/plugins/plot/autoscale.e2e.spec.js-snapshots/autoscale-canvas-panned-chrome-darwin.png

@@ -194,6 +194,7 @@ button {
 .c-icon-button {
     [class*='label'] {
         opacity: 0.8;
+        padding: 1px 0;
     }
 
     &--mixed {

e2e/tests/functional/plugins/plot/autoscale.e2e.spec.js-snapshots/autoscale-canvas-panned-chrome-linux.png

@@ -23,6 +23,7 @@
     &__name {
         @include ellipsize();
         display: inline;
+        padding: 1px 0;
     }
 
     &__type-icon {