Desmos v0.8.0 compatibility

[RiccardoM]

Description

Updated the code to be compatible with the upcoming v0.8.0 Desmos version. Closes #50.

Checklist

• [x] 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 #59 into master will increase coverage by 0.08%. The diff coverage is 8.45%.

@@            Coverage Diff             @@
##           master      #59      +/-   ##
==========================================
+ Coverage   17.69%   17.77%   +0.08%     
==========================================
  Files         255      254       -1     
  Lines        6239     6171      -68     
==========================================
- Hits         1104     1097       -7     
+ Misses       5135     5074      -61     

Impacted Files	Coverage Δ
...ib/sources/chain/models/msgs/msg_save_profile.dart	0.00% <0.00%> (ø)
...sources/posts/remote/helpers/gql_posts_helper.dart	34.37% <ø> (ø)
...ces/user/remote/converters/user_msg_converter.dart	0.00% <0.00%> (ø)
.../sources/user/remote/helpers/gql_users_helper.dart	70.00% <ø> (ø)
...b/sources/user/remote/remote_user_source_impl.dart	34.28% <0.00%> (+0.95%)	:arrow_up:
lib/ui/blocs/account/edit/edit_account_bloc.dart	0.00% <0.00%> (ø)
lib/ui/blocs/account/edit/edit_account_event.dart	0.00% <0.00%> (ø)
lib/ui/blocs/account/edit/edit_account_state.dart	0.00% <0.00%> (ø)
lib/ui/extensions/user_ext.dart	85.71% <ø> (-1.79%)	:arrow_down:
lib/ui/localization/export.dart	0.00% <0.00%> (ø)
... and 6 more

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