Pillarbox widezoom cutscenes instead of cropping (#1054)

Fixes #777.

src/dusk/settings.cpp

@@ -62,6 +62,7 @@ UserSettings g_userSettings = {
         .shadowResolutionMultiplier {"game.shadowResolutionMultiplier", 1},
         .enableDepthOfField {"game.enableDepthOfField", true},
         .enableMapBackground {"game.enableMapBackground", true},
+        .disableCutscenePillarboxing {"game.disableCutscenePillarboxing", false},
 
         // Audio
         .noLowHpSound {"game.noLowHpSound", false},
@@ -184,6 +185,7 @@ void registerSettings() {
     Register(g_userSettings.game.shadowResolutionMultiplier);
     Register(g_userSettings.game.enableDepthOfField);
     Register(g_userSettings.game.enableMapBackground);
+    Register(g_userSettings.game.disableCutscenePillarboxing);
     Register(g_userSettings.game.enableFastIronBoots);
     Register(g_userSettings.game.canTransformAnywhere);
     Register(g_userSettings.game.freeMagicArmor);