Function getFormMetaDataByIdForCurrentLayer

getFormMetaDataByIdForCurrentLayer(formId): JFormMetaData
JMap.Form.getAllFormsMetaDataForCurrentLayer

Returns form metadata of the currently displayed layer and given form id.
Parameters
- formId: JId
  the JMap form id
Returns JFormMetaData
Throws
if form not found

Example
```
 // returns the form metadata of currently displayed layer and form id=2
 const formMetadata = JMap.Form.getAllFormsMetaDataForCurrentLayer(2)
}
```