sharman 5c unit_icon fix

(ger) add mid vihcle to late. MP

flak18,flak41,sdkfz250c,tiger1h,panzer4d,panzer4f2,panzer3e,panzer3j,marder2.

Vih ammo 300

更新总结：

将一些火炮的ap和he的射程改为相同数值，以削弱反坦克炮的强度；
提高了部分全自动武器在对近处目标的射击频率；
同步更新替换了一些官方更新内容的文件；
让flak18和flak36的区别更加明显；
调整了大部分火炮和反坦克炮以及坦克炮的精度，依照技术和年代对武器的公差进行调整；
一些枪械的历史子弹容量修正；
为重型防空炮添加了专属的索敌inc文件(与自动aa炮有更明显的区别)；
其他bug的修复，舱盖fx消失为官方遗留bug，需等待游戏更新。

Adjusted the firing ranges of certain artillery pieces to equalize AP and HE shell distances, reducing anti-tank gun effectiveness;
Increased the firing rate of some automatic weapons against close-range targets;
Updated and replaced files to align with official patches;
Enhanced the distinction between the Flak 18 and Flak 36;
Adjusted the accuracy of most artillery, anti-tank guns, and tank cannons based on their technical specifications and historical manufacturing tolerances.
Corrected historical ammunition capacities for certain firearms;
Added exclusive target acquisition files for heavy AA guns (making them more distinct from automatic AA);
Fixed miscellaneous bugs—note that the disappearing hatch FX is an official bug requiring a future game update.