Move tones data to another file to workaround msvc bigobj issue

src/emojitones.cpp

@@ -0,0 +1,9 @@
+// SPDX-FileCopyrightText: None
+// SPDX-License-Identifier: LGPL-2.0-or-later
+
+#include "emojitones.h"
+#include "emojimodel.h"
+
+QMultiHash<QString, QVariant> EmojiTones::_tones = {
+#include "emojitones_data.h"
+};