[fix](jdbc catalog) fix jdbc mysql client match jsonb type (apache#36177

)

When using mysql catalog to connect to Doris, some lower versions of
Doris's Json type will be displayed as JsonB, and we need to be
compatible with it

fe/fe-core/src/main/java/org/apache/doris/datasource/jdbc/client/JdbcMySQLClient.java

@@ -380,6 +380,7 @@ private Type dorisTypeToDoris(String type) {
             case "STRING":
             case "TEXT":
             case "JSON":
+            case "JSONB":
                 return ScalarType.createStringType();
             case "HLL":
                 return ScalarType.createHllType();