fix(admin): fix import user with csv with no group assigned

admin/src/admin/lib/admin.py

@@ -584,8 +584,8 @@ class Admin:
                 + ") uploaded user: "
                 + u["username"]
             )
-            user_groups = [g.strip() for g in u["groups"].split(",")]
-
+            user_groups = [g.strip() for g in u["groups"].split(",") if g !=""]
+            if not len(user_groups): user_groups = ["/"+u["role"].strip()]
             pathslist = []
             for group in user_groups:
                 pathpart = ""
@@ -637,15 +637,16 @@ class Admin:
         groups = list(dict.fromkeys(groups))
         sysgroups = []
         for g in groups:
-            sysgroups.append(
-                {
-                    "provider": "external",
-                    "id": g,
-                    "name": kpath2gid(g),
-                    "path": g,
-                    "description": "Imported with csv",
-                }
-            )
+            if g != "":
+                sysgroups.append(
+                    {
+                        "provider": "external",
+                        "id": g,
+                        "name": kpath2gid(g),
+                        "path": g,
+                        "description": "Imported with csv",
+                    }
+                )
         self.external["groups"] = sysgroups
         return True