[FIX] ShareExtension references to Discussion

[rafaelks]

@RocketChat/ios

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (develop@ab87674). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             develop    #2647   +/-   ##
==========================================
  Coverage           ?   25.46%           
==========================================
  Files              ?      465           
  Lines              ?    17374           
  Branches           ?        0           
==========================================
  Hits               ?     4425           
  Misses             ?    12949           
  Partials           ?        0

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ab87674...b0b24b7. Read the comment docs.