Added update API route for fragments & renamed fragment save method

Person's dbid for contributor should be an integer in the db

Templates can now have multiple run buttons

Moved schema picker near the save button and the codebase run buttons near the guidance

Improved plan details form reload & codebase run form reload

General informations form now behave like Write Plan forms

Unicity check shouldn't return true for the edited fragment

Locale should properly be passed to the updated fragment list after deleting a fragment

Schema picker is now displayed on the first opening if the form

Added unicity handling for complex registry & modal fragments

Destroying a linked fragment should update the parent references

Solved issue where 'readonly' value wasn't read properly when deleting a linked fragment

Person list should be pulled dynamicly from the server

Some code optimization

Added data conversion when the user changes the form using the schema picker

Solved issue where selected contributor wasn't updated when adding a new contributor

Solved issue where adding a registry value put the list as 'editable'

The role is now a hidden field in the contributor field

Added selectable role to Contributor field

Added Contributor Field

User can add custom values to complex multiple registries & homogenised custom value behaviour

Solved issues with registry fragments display & deletion

Fragments like Partners should no longer be editable when adding a new one from the registry

Integrated Select2 and first version of Registry selectable multiple times

Solved issue on registres display on new plans

Solved issue following last commit

Solved issue with fragment list & removed some unused code

Merged feature/registries into dev

Removed title in modals

Improved fragment list update after fragment creation/update