wx: Remove wxString implicit constructor from std::string

On windows, it uses the current system's character encoding instead of utf-8, which breaks a lot of things.  We should avoid it.

common/Console.cpp

@@ -470,6 +470,28 @@ bool IConsoleWriter::Warning(const wxString fmt, ...) const
 	return false;
 }
 
+bool IConsoleWriter::WriteLn(ConsoleColors color, const std::string& str) const
+{
+	ConsoleColorScope cs(color);
+	return WriteLn(str);
+}
+
+bool IConsoleWriter::WriteLn(const std::string& str) const
+{
+	DoWriteLn(_addIndentation(fromUTF8(str), conlog_Indent));
+
+	return false;
+}
+
+bool IConsoleWriter::Error(const std::string& str) const
+{
+	return WriteLn(Color_StrongRed, str);
+}
+
+bool IConsoleWriter::Warning(const std::string& str) const
+{
+	return WriteLn(Color_StrongOrange, str);
+}
 
 // --------------------------------------------------------------------------------------
 //  ConsoleColorScope / ConsoleIndentScope