[XCX] Fix error in brightness graphic pack

Some users might've lost their brightness settings while this error was active. If you've enabled the Brightness New graphic pack wondering where the old brightness pack was, its now possible to experience the regular brightness workaround.

Author: intra0

src/XenobladeChroniclesX/Workarounds/Brightness/rules.txt

@@ -68,7 +68,7 @@ $isCustom:int = 1
 [Preset]
 name = 70% less exposure
 category = Exposure and brightness fix
-condition = $custom == 1
+condition = $isCustom == 1
 $exposure:float = 0.32
 
 [Preset]

src/XenobladeChroniclesX/Workarounds/BrightnessOLD/rules.txt

@@ -110,7 +110,7 @@ $crushContrast = 0.75
 [Preset]
 name = 70% less exposure (AMD)
 category = Exposure
-condition = $custom == 1
+condition = $isCustom == 1
 $exposure = 0.32
 
 [Preset]