Pre-holiday bugfix — Slipways Steam update #73383

This is a bugfix patch that fixes smaller issues that cropped up after the update: - Contaminated Water: This quirk no longer prevents planets from upgrading to successful when they are reduced to only one product. - Undo: Undoing an action that granted money would crash if after undo your cash balance was negative. This is no longer the case. - Undo: Sometimes, opening a forebear ruin after performing a zero-time action would prevent undo, even if the ruin was already explored. This is no longer the case. - Accessibility: If you have 'eliminate dragging' enabled, it is once again possible to zoom into structures with the right mouse button. - Fractured Sectors: the 'rift outpost' structure is no longer buildable in standard runs using this sector type, since it serves no purpose there - Performance: Eliminated a big stutter occuring after placing a rift bridge on a map with lots of plan...