Add OptionalContentMIXName to Theaters.ini

This ensures that it'll be able to find structures and overlay in Temperat.mix/Snow.mix for newer versions of the TS Client.

Author: Bittah

src/TSMapEditor/Config/Theaters.ini

@@ -11,6 +11,7 @@
 [Temperate]
 ConfigINIPath=INI/Temperat.ini
 ContentMIXName=IsoTemp.mix
+OptionalContentMIXName=Temperat.mix,Tem.mix
 TerrainPaletteName=isotem.pal
 UnitPaletteName=unittem.pal
 ;TiberiumPaletteName=
@@ -21,6 +22,7 @@ PaveConnectToTileSets=20,38,40
 [Snow]
 ConfigINIPath=INI/Snow.ini
 ContentMIXName=IsoSnow.mix
+OptionalContentMIXName=Snow.mix,Sno.mix
 TerrainPaletteName=isosno.pal
 UnitPaletteName=unitsno.pal
 FileExtension=.sno