fix: default value for label

sas/sasjs/services/editors/getdata.sas

@@ -493,7 +493,7 @@ proc sql;
 create table work.cols as
   select a.NAME
     ,a.VARNUM
-    ,c.desc as LABEL
+    ,coalesce(c.desc,a.NAME) as LABEL
     ,a.FMTNAME
     ,a.DDTYPE
     ,case b.cls_hide

sas/sasjs/services/public/viewdata.sas

@@ -364,7 +364,7 @@ run;
 proc sql;
 create table cols(drop=srclabel) as
   select a.*
-      ,coalesce(b.dd_shortdesc,a.srclabel) as label
+      ,coalesce(b.dd_shortdesc,a.srclabel,a.name) as label
   from cols1(rename=(label=srclabel)) a
   left join &mpelib..mpe_datadictionary
       (where=(&dc_dttmtfmt. < tx_to