Disable more flashing elements if a11y is on

For some reason, the accessibility option that was meant to disable
flashes doesn't disable ALL flashes, only screen flashes and screen
shaking. This commit disables a lot more, most importantly randomness
in colors, the player flashing on death/respawn, and teleporters
flashing.

desktop_version/src/Ent.cpp

@@ -623,7 +623,7 @@ void entclass::updatecolour(void)
         realcol = graphics.bigchunkygetcol(colour);
         break;
     case 4: // Small pickups
-        realcol = graphics.huetilegetcol(colour);
+        realcol = graphics.huetilegetcol();
         break;
     case 11: // The fucking elephant
         if (game.noflashingmode)