[FIX] Return Course picture in GetCourses and by session

go.mod

@@ -6,12 +6,9 @@ require (
 	github.com/Masterminds/squirrel v1.5.4
 	github.com/gin-contrib/cors v1.7.5
 	github.com/gin-gonic/gin v1.10.0
-	github.com/go-playground/validator/v10 v10.26.0
 	github.com/golang-jwt/jwt/v5 v5.2.2
 	github.com/golang-migrate/migrate/v4 v4.18.3
 	github.com/google/uuid v1.6.0
-	github.com/jackc/pgconn v1.14.3
-	github.com/jackc/pgx/v4 v4.18.2
 	github.com/jackc/pgx/v5 v5.7.4
 	github.com/pashagolub/pgxmock/v2 v2.12.0
 	github.com/sirupsen/logrus v1.9.3
@@ -37,15 +34,12 @@ require (
 	github.com/go-openapi/swag v0.19.15 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.26.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
-	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
-	github.com/jackc/pgio v1.0.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
-	github.com/jackc/pgproto3/v2 v2.3.3 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgtype v1.14.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect