Typo in target api "moncomptepro" (#1537)

- quick fix to avoid frontend to broke if a "demandeur" has an enrollment for mon compte pro in his home page.

backend/app/models/enrollment.rb

@@ -31,7 +31,7 @@ def migrated_target_apis
     end
   end
 
-  default_scope { where.not(target_api: ["mon_compte_pro"]) }
+  default_scope { where.not(target_api: ["moncomptepro"]) }
 
   validate :update_validation
   validate :submit_validation, on: :submit