Give the mechanic a wrench icon instead of red-cross

closes #3133

don't try to guess hard-coded cursors from weapon damage

mods/d2k/cursors.yaml

@@ -189,16 +189,6 @@ Cursors:
 			length: 8
 			x: 12
 			y: 12
-		heal:
-			start:72
-			length: 8
-			x: 12
-			y: 12
-		heal-minimap:
-			start:72
-			length: 8
-			x: 12
-			y: 12
 
 # Cursors that need minimap variants
 		deploy:

mods/d2k/rules/infantry.yaml

@@ -106,6 +106,7 @@ MEDIC:
 	Armament:
 		Weapon: Heal
 	AttackMedic:
+		Cursor: ability
 	Passenger:
 		PipType: Blue
 	-AutoTarget:

mods/ra/rules/infantry.yaml

@@ -327,6 +327,7 @@ MEDI:
 	Armament:
 		Weapon: Heal
 	AttackMedic:
+		Cursor: heal
 	TakeCover:
 	-AutoTarget:
 	-DebugRetiliateAgainstAggressor:
@@ -365,6 +366,7 @@ MECH:
 	Armament:
 		Weapon: Repair
 	AttackMedic:
+		Cursor: repair
 	TakeCover:
 	-AutoTarget:
 	-DebugRetiliateAgainstAggressor: