[CHORE]: fj-doc-mod-fop, fix doc-creator and doc-producer handling

### Module

fj-doc-mod-fop - PDF, XSL-FO doc handler based on Apache FOP

### Expected Behavior

doc-producer and doc-creator properties should be set

### Other information

```xml
      <info name="doc-creator">My Creator</info>
      <info name="doc-producer">My Producer</info>
```