[287305] [dstore] Need to set proper uid for commands when using SecuredThread and single server for multiple clients

-added check for export PS1 since we don't want the user to see that

rse/plugins/org.eclipse.rse.services.dstore/miners/org/eclipse/rse/internal/dstore/universal/miners/command/CommandMinerThread.java

@@ -1148,6 +1148,9 @@ public class CommandMinerThread extends MinerThread
 			{
 				// ignore this line
 			}
+			else if (line.indexOf("PS1='$PWD>';") > 0){ //$NON-NLS-1$
+				// ignore this line too
+			}
 			else
 			{
 				ParsedOutput parsedMsg = null;