Make `jump to group' work even if it is not activated (bug#33653)

* lisp/gnus/gnus-group.el (gnus-group-goto-group):
Use gnus-newsrc-hashtb instead of gnus-active-hashtb to check if
a group exists even if its server is not activated (bug#33653).

lisp/gnus/gnus-group.el

@@ -2560,7 +2560,7 @@ If FAR, it is likely that the group is not on the current line.
 If TEST-MARKED, the line must be marked."
   (when group
     (let ((start (point))
-	  (active (and (gethash group gnus-active-hashtb)
+	  (active (and (gethash group gnus-newsrc-hashtb)
 		       group)))
       (beginning-of-line)
       (cond