Merge pull request 'fix: Enable display of metadata-only tables. Closes #56' (#57) from issue56 into main

Reviewed-on: #57

sas/sasjs/services/public/viewdata.sas

@@ -290,6 +290,7 @@ run;
   run;
   data work.groups;
     length groupuri groupname $32 groupdesc $128 ;
+    call missing (of _all_);
     output;
     stop;
   run;