Add specs
Fix preview
Adds permission specs
Fix preview permissions
Fix work package preview permission
Make preview a normal view
Add 'nothing to preview' message
Authorize through #find_optional_project
Reset order of preview texts
Add preview object authorization specs
Authorize preview object access
Preview caption reflects the previewed attribute
Fix comment layout
places footer relatively and remove bottom padding
Merge pull request #1503 from opf/hotfix/9842_new_preview

[Hotfix] 9842 new preview
Spec test for fail copy project
Using added hidden field I will check where request coming from and also display the validation messages
Treat case when no name or identifier was provided
Replace unless by if
Merge pull request #1694 from netfighter/feature/14376-validation-name-identifier-not-working-when-copying-project