(bug): Too many hashtags not triggering
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### Summary
The too many hashtags message is not being shown to this user when attempting to post, leading to them believing, quite reasonably that posting was broken
https://gitlab.com/minds/minds/issues/500
### Steps to reproduce
1. Copy in #a #b #c #d #e #f
2. Try to post
3. See no error
### Platform information
Web app, reproduced on Manjaro Chromium - probably across all desktop platforms
### What is the current *bug* behavior?
The error is not triggering correctly
### What is the expected *correct* behavior?

should show
### Relevant logs and/or screenshots
(Paste any relevant logs - please use code blocks (```) to format console output,
logs, and code as it's very hard to read otherwise.)
### Possible fixes
(If you can, link to the line of code that might be responsible for the problem)
issue