Update 96 - Bugfixes & VSync toggle

Changes: - Added vsync toggle in settings. - The game now pauses and drops input when Steam Overlay is active. - Added configurable zoom controls. - Added configurable camera panning controls. - Drag-selection os no longer active while in paint mode.

Bugfixes: - The cursor could leave the screen. - After rewind to arrival camera would not jump to new player position. - The scrollbar in the mercenaries panel would not stick to the side. - Pray & Spray, Mass Murder and Scientist achievements were not always granted correctly. - Setting joint boss group did not set joint arm boss group. - Tutorials were not marked as completed when loading pre-update saves. - Mirror drag-selection did not split selection correctly when entire ship was selected. - Dragging mirrored-selected parts would sometimes make them rotate unexpectedly. - Resource inconsistency could occur when opening or closing editor. - Destroyed drones could trigger "all ships destroyed" event, resulting in repeated rewards. - Quest markers could sometimes be set in hostile territory, making them impossible to complete.