fix: avoids being able to pause during transitions; also moves pausing request responsibility to UI; also fixes issue w/ trying to pause during intro and main menu

game/rooms/intro/esc/intro.esc

@@ -2,6 +2,12 @@
 anim_block intro_animation_player RESET
 
 :ready | NO_UI
+# Until we have a proper way to skip animations/cutscenes, we want to prevent
+# something silly like being able to pause during the intro.
+accept_input NONE
+
 anim_block intro_animation_player intro
 
+accept_input ALL
+
 show_menu main