Patch notes for 52.12.1

Just a small update with the following fixes

• Added a camera zoom keyboard shortcut and listed it in the help
• Several "unable to click" on enemy targets issues resolved
• Grenade launcher hit chance was lower in some cases than what was displayed in the HUD
• Merchant inventories in some cases were too repetitive
• Hidden UI buttons could respond to mouse clicks
• Soft lock on the map if a save was triggered on an exit or entrance node
• Several encounter typos fixed
• Several encounter outcomes that made no sense were re-written
• Softlock when setting the follow mode leader to the character who entered the sub on a sub recovery mission
• Character skills that disabled after moving were broken and always being granted