Function getFilterBarFieldValue

getFilterBarFieldValue(
    page: ListReportPage,
    filterBarId: string,
    fieldName: string,
): Promise<string>
Gets the current value of a filter field on the filter bar.
Parameters
- page: ListReportPage
  Playwright Page (or compatible subset).
- filterBarId: string
  The UI5 control ID of the filter bar.
- fieldName: string
  The name/key of the filter field.
Returns Promise<string>
The current value of the filter field, or empty string if not set.
Example
```
const value = await getFilterBarFieldValue(page, 'app--filterBar', 'CompanyCode');
```
- Defined in fe/list-report.ts:193