Add success banner

- The banner does not display which members were updated

atst/routes/applications/team.py

@@ -111,6 +111,7 @@ def update_team(application_id):
             app_role = ApplicationRoles.get(member.data["user_id"], application.id)
             new_perms = [perm for perm in member.data["permission_sets"] if perm != ""]
             ApplicationRoles.update_permission_sets(app_role, new_perms)
+        flash("updated_application_members_permissions")
 
     return redirect(
         url_for(

atst/utils/flash.py

@@ -168,6 +168,13 @@ MESSAGES = {
         """,
         "category": "success",
     },
+    "updated_application_members_permissions": {
+        "title_template": translate("flash.success"),
+        "message_template": """
+          <p>{{ "flash.updated_application_members_permissions" | translate }}</p>
+        """,
+        "category": "success",
+    },
 }