[Chore/Refactor] Add missing 'type' attribute on 'button' components (#26249)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: asukaminato0721 <30024051+asukaminato0721@users.noreply.github.com>

web/app/components/workflow/nodes/llm/components/json-schema-config-modal/visual-editor/schema-node.tsx

@@ -99,6 +99,7 @@ const SchemaNode: FC<SchemaNodeProps> = ({
             indentLeft[depth - 1],
           )}>
             <button
+              type="button"
               onClick={handleExpand}
               className='py-0.5 text-text-tertiary hover:text-text-accent'
             >

web/app/components/workflow/run/tracing-panel.tsx

@@ -109,7 +109,7 @@ const TracingPanel: FC<TracingPanelProps> = ({
           onMouseLeave={handleParallelMouseLeave}
         >
           <div className="mb-1 flex items-center">
-            <button
+            <button type="button"
               onClick={() => toggleCollapse(node.id)}
               className={cn(
                 'mr-2 transition-colors',