BAP-5309: Use route from config in email address link to avoid potential errors
- Added getClassRoute method to ConfigExtension
- Covered with Unit Tests
BAP-5309: Use route from config in email address link to avoid potential errors
    - Added getClassRoute method to ConfigExtension
    - Covered with Unit Tests
BAP-5309: Use route from config in email address link to avoid potential errors
   - minor fixes
Merge pull request #3085 from laboro/fix/BAP-5309_new_impl-1.4

BAP-5309 Use route from config in email address link to avoid potential errors
BAP-5548: Refactor extended entity to prevent class name collisions
Merge pull request #3087 from laboro/1.4_forumgroup

BAP-5548: Refactor extended entity to prevent class name collisions
Merge remote-tracking branch 'remotes/dev/1.4' into 1.4