feat: Enable add button in ActionsList based on multipleAction prop and style disabled state in sidebar

app/src/components/layout/sidebarRight/properties/eventProperties/components/ActionsList.tsx

@@ -116,11 +116,14 @@ const ActionsList: React.FC<ActionsListProps> = ({
       <div className="actions">
         <div className="header">
           <div className="header-value">Actions</div>
-          {multipleAction && (
-            <button className="add-button" onClick={() => handleAddAction()}>
-              <AddIcon /> Add
-            </button>
-          )}
+
+          <button
+            className="add-button"
+            onClick={() => handleAddAction()}
+            disabled={!multipleAction}
+          >
+            <AddIcon /> Add
+          </button>
         </div>
         <div
           className="lists-main-container"