MDEV-14576 Include full name of object in message about incorrect value for column.

connect.xml2 test result fixed.

storage/connect/mysql-test/connect/r/xml2.result

@@ -325,7 +325,7 @@ HEX(c)	3F3F3F3F3F3F3F
 Warnings:
 Level	Warning
 Code	1366
-Message	Incorrect string value: '\xC3\x81\xC3\x82\xC3\x83...' for column 'c' at row 1
+Message	Incorrect string value: '\xC3\x81\xC3\x82\xC3\x83...' for column `test`.`t1`.`c` at row 1
 Level	Warning
 Code	1105
 Message	Out of range value ÁÂÃÄÅÆÇ for column 'c' at row 1