fix(preview): Fix preview header button spacing overrides (#1732)

Author: jstoffan

src/elements/content-preview/preview-header/PreviewHeader.scss

@@ -101,9 +101,14 @@
 .bcpr-PreviewHeader-button.btn-plain {
     display: flex;
     align-items: center;
-    padding: 5px 10px;
     color: $bdl-gray-02;
 
+    &,
+    &:hover,
+    &:active {
+        padding: 5px 10px;
+    }
+
     &:focus,
     &:hover {
         color: $bdl-gray-10;