Fixes and improvements in the latest update to Rust on Steam

Fixed an issue with Glock customization after a merge conflict.

CHANGELOG

:tochka: Fixed a bug in the animation of shells falling into the ocean.
:tochka:Fixed unnatural blue coloring of water splashes that looked strange in certain weather conditions.
:tochka:Fixed a compilation error of the boat client.
:tochka:Fixed broken (bad merge) Glock model prefab.
:tochka:Work is underway to improve the animation of hand movements when controlling a tug.
:tochka:Fixed the scale of the visible part of the NVG glasses depending on the scale of the user interface.
:tochka:A sonar has been added to the tugboat, it detects submarines at a depth of up to 3 m under the tugboat.
:tochka:Added underwater world prefab. (Bubbles and plankton still use the wrong shader mask).
:tochka:Small work is also being done to improve the water animation.
:tochka:Added support for the forward movement effect for the boat and RHIB, not just the tug.
:tochka:Updated altitude maps of the area and slightly expanded road maps.