Fix sidebar's background bug
[Started #54198058 #54565918] Selection Process creation and subscribing to a process
[#54198058] Some tests for create selection process
Refactoring some controllers
[Modifying #54199242 #54199122] Sidebar and topbar redesign
[Fixing #54199122] Fix sidebar toggle bug
Putting candidates_register inside selection_processess, making user profileable
Adding profileable ref to user
Registering and seeing a successful page working and some controller refactoring. Registering confirmation broken
Inscription and confirmation in process done
Changing topbar design to sidebar approach.
Creating selection process
[Started #54198294] Now can create steps in selection processes
Removed send confirmation email accidentally
Removing year and semester from selection process, and adding name to it
Mixing create selection process form, and creating the inscription step, and removing callback for it
Enterprises can generate feedback for candidates and send the public feedback to their emails
Theme development
Theme development
Some link adjustments