DEHACKED lumps from IWAD now have precedence over embedded lumps and separate files

See https://forum.drdteam.org/viewtopic.php?t=7588

Processing order is now the same as in Chocolate Doom
prBoom+ loads separate files after all WAD lumps though
This makes sense but would change loading sequence existed in ZDoom for years

src/d_main.cpp

@@ -2507,6 +2507,9 @@ void D_DoomMain (void)
 		if (!batchrun) Printf ("DecalLibrary: Load decals.\n");
 		DecalLibrary.ReadAllDecals ();
 
+		// Load embedded Dehacked patches
+		D_LoadDehLumps(FromIWAD);
+
 		// [RH] Add any .deh and .bex files on the command line.
 		// If there are none, try adding any in the config file.
 		// Note that the command line overrides defaults from the config.
@@ -2528,7 +2531,7 @@ void D_DoomMain (void)
 		}
 
 		// Load embedded Dehacked patches
-		D_LoadDehLumps();
+		D_LoadDehLumps(FromPWADs);
 
 		// Create replacements for dehacked pickups
 		FinishDehPatch();