Untabify every single file

YOLO.

This is a repeat of #642. As before, I just did

    rg -l '\t' | xargs -n 1 sed -i -e 's/\t/    /g'

inside the desktop_version/ folder.

desktop_version/src/WarpClass.h

@@ -6,10 +6,10 @@
 class warpclass
 {
 public:
-	const short* loadlevel(int rx, int ry);
-	std::string roomname;
-	int rcol;
-	bool warpx, warpy;
+    const short* loadlevel(int rx, int ry);
+    std::string roomname;
+    int rcol;
+    bool warpx, warpy;
 };
 
 #endif /* WARPCLASS_H */