Improve edit user

[ryuash]

Description

closes #141

and ui updates:

• updated some spacing and gave a few more line to give the bio a textbox feel
• moved the actions a bit more down below the settings icon

Checklist

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

[codecov[bot]]

Codecov Report

Merging #142 into master will increase coverage by 0.04%. The diff coverage is 93.02%.

@@            Coverage Diff             @@
##           master     #142      +/-   ##
==========================================
+ Coverage   63.71%   63.76%   +0.04%     
==========================================
  Files         277      277              
  Lines        7083     7092       +9     
==========================================
+ Hits         4513     4522       +9     
  Misses       2570     2570              

Impacted Files	Coverage Δ
...t_body/widgets/account_text_info_editor/index.dart	83.87% <ø> (ø)
...t_edit_screen/widgets/account_edit_body/index.dart	83.33% <90.00%> (+0.98%)	:arrow_up:
lib/sources/user/local/local_user_source_impl.dart	81.11% <100.00%> (+0.65%)	:arrow_up:
...ount_edit_screen/blocs/edit/edit_account_bloc.dart	85.96% <100.00%> (ø)
...body/widgets/account_cover_image_editor/index.dart	72.22% <100.00%> (+1.63%)	:arrow_up:
...dy/widgets/account_profile_image_editor/index.dart	76.19% <100.00%> (+1.19%)	:arrow_up:
..._info_editor/widgets/account_text_input/index.dart	100.00% <100.00%> (ø)
..._details_screen/widgets/account_app_bar/index.dart	100.00% <100.00%> (ø)
lib/ui/widgets/buttons/primary_button/index.dart	100.00% <100.00%> (ø)

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