fix(plugins/plugin-client-common): PatternFly DropDown rendering glitches

small shift in Input row
Fixes #4649

z-index issues
Fixes #4651

Author: starpit

plugins/plugin-client-common/web/scss/components/DropDown/PatternFly.scss

@@ -14,6 +14,19 @@
  * limitations under the License.
  */
 
-.pf-c-dropdown__toggle:focus {
-  outline: none;
+body[kui-theme-style] {
+  .pf-c-dropdown__toggle {
+    /* see https://github.com/IBM/kui/issues/4649 */
+    padding-top: 0;
+    padding-bottom: 0;
+
+    &:focus {
+      outline: none;
+    }
+  }
+
+  .pf-c-dropdown__menu {
+    /* see https://github.com/IBM/kui/issues/4651 */
+    z-index: 1;
+  }
 }