Fingerprint recoverable errors no longer complete the observable source

[fmrsabino]

Changes proposed in this pull request:

• Previously the fingerprint observable emitted a terminal event (onComplete) when a recoverable error occurred during authentication. Now it just emits the event.

@gnosis/mobile-devs

[codecov-io]

Codecov Report

Merging #22 into master will increase coverage by 0.05%. The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #22      +/-   ##
============================================
+ Coverage     66.52%   66.58%   +0.05%     
  Complexity      146      146              
============================================
  Files            48       48              
  Lines          1192     1191       -1     
  Branches        184      183       -1     
============================================
  Hits            793      793              
+ Misses          311      310       -1     
  Partials         88       88

Impacted Files	Coverage Δ	Complexity Δ
...svalinn/security/impls/AndroidFingerprintHelper.kt	0% <ø> (ø)	0 <0> (ø)	:arrow_down:

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