CR400-AF-Z clear-coat material upgrade pack

This mod upgraded the material of 'CR400AF-BZ' maded by Travelwhale. -- Modified the emissive strength and color of head light and tail light; -- Added metal gloss map for original mod; -- Added electronic destination sign for editable vehicle name & line/route name; -- Increased capacity; -- Decreased purchase cost and running cost; -- Ensure the difference in bogie wheels between the Motor car and Trailer car based on my 'CR400AF Blue Dolphin livery' mod; v2. 0 -- All consist added clear-coat layer; (This material is experimental and still exhibits interpenetration (Z-fighting) to some degree when viewed through the free camera.) -- Simplified the consist group;