Update 0.121a. Bugfixes and a new display option for artillery firing history UI

A checkbox ‘Show all ships on the artillery firing history map’ has been added to the settings screen, which allows you to enable or disable the display of all alive ships on the artillery firing history map.
A couple of graphics optimizations of the main menu 3d scene were made.
Slightly increased the volume of vertical waves spray sound effect for most ships.
A couple of minor UI changes have been made.
A couple of bugs have been fixed.