Meshes for Rga Rihad doors hf\d\hf_ex_rh_Door_01.nif and hf\d\hf_ex_rh_DoorP_01.nif have no mirrored versions

[riegern]

Meshes hf\d\hf_ex_rh_DoorP_01.nif (T_Rga_SetRihad_Door_01) and hf\d\hf_ex_rh_Door_01.nif (T_Rga_SetRihad_Door_02) don't have mirrored versions, so Int and Ext never match