Core/CrashHandler: Compile WheatyExceptionReport only once and moved its global variable initializer to all projects using it

src/server/bnetserver/Main.cpp

@@ -434,3 +434,9 @@ variables_map GetConsoleArguments(int argc, char** argv, fs::path& configFile, f
 
     return variablesMap;
 }
+
+#if TRINITY_PLATFORM == TRINITY_PLATFORM_WINDOWS
+#include "WheatyExceptionReport.h"
+// must be at end of file because of init_seg pragma
+INIT_CRASH_HANDLER();
+#endif