[Fix] TriggerConfig Expand/Collapse (#1630)

* Fixed so that the angle icon indicating expand/collapse for a trigger config actually flips when clicked

* Fixed styles

styles/less/sheets/actions/actions.less

@@ -58,6 +58,7 @@
             flex: 1;
             display: flex;
             flex-direction: column;
+            gap: 8px;
 
             select {
                 flex: 1;
@@ -96,6 +97,7 @@
         height: 0;
         min-height: 0;
         transition: height 0.1s ease-in-out;
+        overflow: hidden;
 
         &.revealed {
             height: 300px;