Bugfix: Handle non-workshop mod paths correctly

Improper identification of non-workshop mod directories would sometimes
lead non-workshop mods to be detected an extra time every launch and
show up as not loaded.

xcom2-launcher/xcom2-launcher/Classes/Mod/ModEntry.cs

@@ -51,7 +51,7 @@ public string Path
 				}
 				foreach (var modPath in XCOM2Launcher.Settings.Instance.ModPaths)
 				{
-					if (modPath.Contains("XcomGame"))
+					if (modPath.ToLower().Contains("xcomgame"))
 						path = modPath;
 				}
 				return FilePath.Combine(path, ID);