Describe the bug
Russian keywords don't work

To Reproduce
Steps to reproduce the behavior:

1. Go to trigger settings.
2. Add some russian keywords like "сум" or "суммон".
3. Click "accept"
4. Type russian keyword in raid or party chat.

Expected behavior
Person was added to summon queue.

Screenshots

https://dl.dropboxusercontent.com/s/7issh5dm963ssis/WowClassic_2021-02-16_16-59-08.jpg

Not only russian, other new keywords don't works