Fix: cbcthdrl textures

[xezon]

cbcthdrl, cbcthdrl_d, cbcthdrl_g, cbcthdrl_dg

• Creates 2x upscale to 512x512
• Fixes artifacts on center roof segment

cbcthdrl_e

• Creates 2x upscale to 512x512
• Adds wooden planks to inside of damaged roof
• Adds additional dirt to bright stairs
• Removes superfluous alpha channel

cbcthdrl_r

• Creates 2x upscale to 512x512
• Adds additional dirt to bright stairs

cbcthdrl_s, cbcthdrl_ds, cbcthdrl_es, cbcthdrl_rs, cbcthdrl_g, cbcthdrl_dg

• Creates 2x upscale to 512x512
• Recreates texture based on respective base texture

cbcthdrl_n, cbcthdrl_dn, cbcthdrl_ng, cbcthdrl_dng

• Creates 2x upscale to 512x512
• Recreates night lights

cbcthdrl_en, cbcthdrl_rn

• Fixes incorrect night light

cbcthdrl_esn, cbcthdrl_rsn

• Optimizes texture size

TODO

• cbcthdrl_es.w3d uses wrong rubble texture, is missing tower meshes
• cbcthdrl_dsng.w3d is somehow way too bright

[xezon]

Polished snow night cathedral

[xezon]

Looks ok.