chore(a11y): enable jsx-a11y/click-events-have-key-events as error (#42009)

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

superset-frontend/src/SqlLab/components/TableExploreTree/TreeNodeRenderer.tsx

@@ -16,6 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
+import { handleKeyboardActivation } from '@superset-ui/core';
 import { css, styled, useTheme } from '@apache-superset/core/theme';
 import { t } from '@apache-superset/core/translation';
 import type { NodeRendererProps } from 'react-arborist';
@@ -186,6 +187,7 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
             <span
               className="col-copy-action"
               onClick={e => e.stopPropagation()}
+              onKeyDown={e => e.stopPropagation()}
             >
               <ActionButton
                 label={`copy-col-${data.name}`}
@@ -215,6 +217,13 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
           node.toggle();
         }
       }}
+      onKeyDown={handleKeyboardActivation(() => {
+        if (node.isLeaf) {
+          node.select();
+        } else {
+          node.toggle();
+        }
+      })}
     >
       <span
         className="tree-node-icon"
@@ -239,6 +248,7 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
         <div
           className="side-action-container"
           onClick={e => e.stopPropagation()}
+          onKeyDown={e => e.stopPropagation()}
         >
           {pinnedSchemas.has(schema) && (
             <div className="action-static">
@@ -306,6 +316,7 @@ const TreeNodeRenderer: React.FC<TreeNodeRendererProps> = ({
             <div
               className="side-action-container"
               onClick={e => e.stopPropagation()}
+              onKeyDown={e => e.stopPropagation()}
             >
               {isPinned && (
                 <div className="action-static">