Minor bug fixes and QOL improvements.

Change List:

• Fixed bug with "Familiar" cards
• Fixed bug with card preview in Shop
• Fixed bug with Resolution menu
• Fixed bug with Counter Attack artifact and Defiant
• Fixed bug with Madness not cleaning out invalid targets and occasionally crashing
• Changed Bastion to only retain a max of 5 Shield
• Added shadows to campaign icons
• Fixed gauntlet getting stuck on first room after beating gauntlet previously
• Improving Screenshake
• Fixing Limitless tooltip
• Changing "Enemy Turn" text on turn button to a darker grey