[util] Disable explicit frontbuffer for ZUSI 3

Fixes flickering when parts of the screen are not redrawn in a frame.

Closes #1368
Merges #1437

src/util/config/config.cpp

@@ -322,6 +322,10 @@ namespace dxvk {
     { R"(\\ToEE\.exe$)", {{
       { "d3d9.allowDiscard",                "False" },
     }} },
+    /* ZUSI 3 - Aerosoft Edition                  */
+    { R"(\\ZusiSim\.exe$)", {{
+      { "d3d9.noExplicitFrontBuffer",       "True" },
+    }} },
   }};