Multiplayer Fixes, Stamina Improvements & Russian Localization Update

Patch Notes - Fixed cooling and rack console indicator synchronization between the host and clients. - Synchronized Quinn’s dialogue in multiplayer. - Improved transitions between the lobby, gameplay, and main menu, including round restarts. - Fixed player and camera positioning after selecting “Play Again.” - Fixed the cursor disappearing on the end-of-round screen. - Fixed issues with hosting another session after returning to the main menu. - Disabled unnecessary gameplay scripts in the main menu. - Expanded Russian translations across menus, objectives, dialogue, and UI. - Smoothed stamina bar animations and color transitions. - Fully depleted stamina now blocks sprinting until it has completely regenerated. - Simplified the stamina counter to display only the current value. - Fixed hand attachment and movement of the new fire extinguishers. - Removed number labels from inventory slots.