enable cloning in SimpleEditMode

A requested clone action has to be set as _new=True.
However in the _get_render_settings() a new entry was hard reset to a new default entry and ignoring a possible cloned entry.

Change-Id: I23cc0024d11cf2991ef9678774bb4674f709407c

cmk/gui/wato/pages/_simple_modes.py

@@ -393,6 +393,7 @@ def _from_vars(self, ident_var: str = "ident") -> None:
                 )
 
             self._new = True
+            self._clone = self._default_id()
             self._ident = None
             self._entry = self._clone_entry(entry)
             return
@@ -801,10 +802,13 @@ def _get_render_settings(self) -> tuple[Any, DataOrigin, DoValidate]:
                 True,
             )
 
-        if self._new:
+        if self._new and not self._clone:
             # New form, no validation
             return DEFAULT_VALUE, DataOrigin.DISK, False
 
+        if self._clone:
+            self._ident = self._clone
+
         # Existing entry from disk
         catalog_converter = self._get_catalog_converter()