Function clickNthElementBySelector

clickNthElementBySelector(
    page: any,
    indexStr: string,
    selectorKey: string,
    table?: any,
): Promise<void>
Clicks on the Nth element matching a CSS or XPath selector.
Parameters
- page: any
  The Playwright page object
- indexStr: string
  The index string (1st, 2nd, 3rd, etc.)
- selectorKey: string
  The selector key (can be a fixture key or raw CSS/XPath selector)
- Optionaltable: any
  Optional table data for click options
Returns Promise<void>
Example
```
When I pw click on 1st selector ".btn"
```
- Defined in backend/actions/click.ts:333