Bug fixes

[tadeubas]

• Test mnemonic checksum before asking for passphrase
• Avoid double Exception when one is already raised at load wallet output descriptor
• Changed the derivation path on screen to use apostrophe, following the majority of wallets (now shows: m/84'/0'/0'/0 instead of m/84h/0h/0h/0)

[codecov-commenter]

Codecov Report

Merging #17 (37b620b) into develop_rc (c1405fb) will increase coverage by 0.00%.
Report is 2 commits behind head on develop_rc.
The diff coverage is 70.00%.

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@@             Coverage Diff             @@
##           develop_rc      #17   +/-   ##
===========================================
  Coverage       92.02%   92.02%           
===========================================
  Files              42       42           
  Lines            5264     5268    +4     
===========================================
+ Hits             4844     4848    +4     
  Misses            420      420           

Files Changed	Coverage Δ
src/krux/pages/home.py	85.99% <25.00%> (-0.05%)	⬇️
src/krux/key.py	96.15% <100.00%> (+0.32%)	⬆️
src/krux/pages/login.py	90.78% <100.00%> (+0.02%)	⬆️