Trim textfield values

PadelClub/Views/User/UserCreationView.swift

@@ -109,6 +109,10 @@ struct UserCreationFormView: View {
     fileprivate func _create() {
 
         self.isLoading = true
+        self.username = self.username.trimmed
+        self.firstName = self.firstName.trimmed
+        self.lastName = self.lastName.trimmed
+        self.email = self.email.trimmed
 
         guard self.password1 == self.password2 else {
             self.alertMessage = "Les mots de passe ne correspondent pas"