Fix Tooltip onClick handler invocation bug (#14075)

## Summary
Fixed a bug in the Tooltip component where the onClick handler was being
invoked immediately instead of being passed as a reference to the child
element.

## Key Changes
- Removed the function invocation operator `()` from `onClick()` to
`onClick` in the Tooltip component
- This ensures the onClick handler is properly retrieved as a function
reference rather than being called during the assignment

## Implementation Details
The bug was in the onClick handler extraction logic where
`children.props?.onClick()` was immediately invoking the function and
assigning its return value. The fix changes this to
`children.props?.onClick`, which correctly retrieves the function
reference so it can be called later with the proper event context via
`originalOnClick(event)`.

This prevents unintended function execution and ensures the original
onClick handler is invoked at the appropriate time with the correct
event object.

https://claude.ai/code/session_019WWv3CGtetHF8EPZRaa5Tp

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

Author: dylanjeffers

packages/harmony/src/components/tooltip/Tooltip.tsx

@@ -214,7 +214,7 @@ export const Tooltip = ({
       if (isValidElement(children)) {
         const originalOnClick = (
           children as ReactElement<{ onClick?: any }>
-        ).props?.onClick()
+        ).props?.onClick
         if (typeof originalOnClick === 'function') {
           originalOnClick(event)
         }