fix(tool-input): increase top padding of expanded tool body

Bump the expanded tool body container's top padding from 8px to 12px
for more breathing room between the header bar and the first parameter.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/app/workspace/[workspaceId]/w/[workflowId]/components/panel/components/editor/components/sub-block/components/tool-input/tool-input.tsx

@@ -1716,7 +1716,7 @@ export const ToolInput = memo(function ToolInput({
               </div>
 
               {!isCustomTool && isExpandedForDisplay && (
-                <div className='flex flex-col gap-[10px] overflow-visible rounded-b-[4px] border-[var(--border-1)] border-t bg-[var(--surface-2)] px-[8px] py-[8px]'>
+                <div className='flex flex-col gap-[10px] overflow-visible rounded-b-[4px] border-[var(--border-1)] border-t bg-[var(--surface-2)] px-[8px] pt-[12px] pb-[8px]'>
                   {/* Operation dropdown for tools with multiple operations */}
                   {(() => {
                     const hasOperations = hasMultipleOperations(tool.type)