feat: more role backend and admin/writer roles additions and adjustments

test/media_get_http_test.go

@@ -15,7 +15,7 @@ const mediaGetEditorID = 9
 func newMediaGetEnv(t *testing.T) *siteEnv {
 	t.Helper()
 	e := newSiteEnvWithMain(t)
-	e.users.users[mediaGetEditorID] = user.User{ID: mediaGetEditorID, Username: "editor", Email: "editor@example.com", IsVerified: true, Role: user.Role("editor")}
+	e.users.users[mediaGetEditorID] = user.User{ID: mediaGetEditorID, Username: "editor", Email: "editor@example.com", IsVerified: true, Role: user.Role("editor"), RoleID: writerRoleID}
 	e.seedImageRecord(5)
 	return e
 }