Fixed the poll creation

[RiccardoM]

Description

This PR fixes the poll creation flow, which was broken after closing #86. Fixes #112

As a test, the following transaction has been performed:

67B95DE8DC74D52008A937FDE1054D07452EC83EA45BE6C51025D50060D88DBB

Checklist

• [ ] Targeted PR against correct branch.
• [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• [ ] Wrote unit tests.
• [ ] Run flutter format.
• [ ] Updated the documentation.
• [ ] Added an entry to the CHANGELOG.md file.
• [ ] Re-reviewed Files changed in the Github PR explorer.

[codecov[bot]]

Codecov Report

Merging #113 into master will increase coverage by 0.05%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #113      +/-   ##
==========================================
+ Coverage   19.17%   19.22%   +0.05%     
==========================================
  Files         263      262       -1     
  Lines        6613     6595      -18     
==========================================
  Hits         1268     1268              
+ Misses       5345     5327      -18     

Impacted Files	Coverage Δ
...reate_screen/blocs/post_input/post_input_bloc.dart	0.00% <0.00%> (ø)
...screen/blocs/post_input/post_input_event_poll.dart	0.00% <ø> (ø)
...eate_screen/blocs/post_input/post_input_state.dart	0.00% <0.00%> (ø)

---

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 b3819be...cfc591b. Read the comment docs.