aAll units self-click, cleric heal

[mrboli]

Main objective: Add in double click on cleric, assassin, poison wisp and enchantress to cast attack / heal.
Impact: Time saving for the user, feature in original game.

Steps for user:

• Click Attack Mode First
• Click aAll unit (cleric, asssassin, poison wisp, enchantress)
• [New Behavior] Allow for clicking cleric on itself to initiate heal

Approach: Add self to target tiles list in getTargetTiles, modify existing calls to getTargetUnits to use getAttackTiles instead to ensure we are not targeting the unit itself.

Cases Tested:

• NEW: Tested on non-quick mode with incognito
• NEW: aAll units will not attack self
• NEW: aAll Units will show affected target on card by default or when blurred
• NEW: aAll Units will not show self damage on the card when focused or blurred
• NEW: Cleric will not show self hit notice when full HP
• Regular units without aAll will not have their own tile highlighted by default
• Cleric will not heal self when full HP
• Cleric will not double heal self when missing HP
• Cleric will heal only self if only self is damaged
• Assassin, enchantress and wisp can self-target for attack surrounding targets

Demo:
https://www.loom.com/share/e8ba68d94dbb46f780b4c8c8be0a3a4b

[pongstylin]

To deduplicate, you can use this line:
return [ ...new Set([ ...this.getAttackTiles(source), this.assignment ]) ];

[pongstylin]

Cleric class doesn't need to override getTargetTiles() anymore.