fix: default to home directory for SAS Drive in Viya

sas/sasjs/utils/buildinitviya.sas

@@ -4,4 +4,9 @@
 
 **/
 
-options nonotes nomprint;
+options nonotes nomprint;
+
+/* update apploc to default to user home area if not set */
+%let apploc=%sysfunc(ifc("&apploc"="/Public/app/dcplaceholder"
+  ,/Users/&sysuserid/My Folder/Data Controller
+  ,&apploc));