small fix

****UPDATE 2024/10/27

为德军阵营的部分常见火炮中添加了一些动画；
火炮的炮栓播放到关闭时间调整到合适的状态；
添加了Panzer5F中型坦克，可以在征服模式游玩；
为一些新增的载具引入一些音效文件；
为flak38_wheeled找回了缺失的镜面贴图;
相比之前较大提高了炮弹的后效(后期可能需要不断调整);
一些单位信息显示文本和单位资料室文本的更新;
一些其他bug的修复等等.

Added some animations to some common artillery pieces in the German camp;
Adjust the firing time of the cannon bolt to the appropriate state when it is turned off;
Added Panzer5F medium tank, which can be played in Conquest mode;
Introduce some sound effects files for some newly added vehicles;
Found the missing mirror texture for flak38w_wheeled;
Compared to before, the aftereffect of the shells has been greatly improved (which may need to be continuously adjusted in the later stage);
Update of some unit information display text and unit data room text;
Fix some other bugs, etc.

text fix

为常见德军火炮乘员添加了动画
Added animations for common German artillery crew members

music replace

**在德军征服中添加了两辆新的btr;
修复了一些小问题.
**Two new BTRs were added during the German conquest;
Fixed some minor issues.

add a new sdkfz251_c_flak38
add a new sdkfz251_c_pak36