Aide de vue UserProfile : améliorations légères et tests unitaires.

src/UnicaenAuth/View/Helper/UserProfile.php

tests/UnicaenAuthTest/View/Helper/UserProfileTest.php

.../_files/expected/user_profile/named-role-translated.phtml

...View/Helper/_files/expected/user_profile/named-role.phtml

...xpected/user_profile/non-stringable-role-translated.phtml

...er/_files/expected/user_profile/non-stringable-role.phtml

...Helper/_files/expected/user_profile/none-translated.phtml

...hTest/View/Helper/_files/expected/user_profile/none.phtml

...Helper/_files/expected/user_profile/role-translated.phtml

...hTest/View/Helper/_files/expected/user_profile/role.phtml

...es/expected/user_profile/stringable-role-translated.phtml

...Helper/_files/expected/user_profile/stringable-role.phtml