hadoop.conf.dir env bug

[vagetablechicken]

OpenMLDB/java/openmldb-taskmanager/src/main/scala/com/_4paradigm/openmldb/taskmanager/spark/SparkJobManager.scala

Line 48 in 6569b42

val env: java.util.Map[String, String] = new java.util.HashMap[String, String]

After 1792700 , sparklauncher miss the env, so 0.8.3<=version<=0.9.0 can't use hadoop.conf.dir in taskmanager config.