Fix/issue 38 password keyboard behaviour

[Basler182]

Fix/issue 38 password keyboard behaviour

♻️ Current situation & Problem

#38

⚙️ Release Notes

• Added Password Toogle Icon to Login Screen
• Added Login Form Validator
• Added Login Error Cases
• Switched to OutlinedTextFields

✅ Testing

• Added CredentialRegisterManagerAuthTest
• Added LoginViewModelTest
• Added LoginFormValidatorTest

📝 Code of Conduct & Contributing Guidelines

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• I agree to follow the Code of Conduct and Contributing Guidelines.

[codecov]

Codecov Report

Attention: Patch coverage is 15.61644% with 308 lines in your changes missing coverage. Please review.

Project coverage is 27.54%. Comparing base (1f3a66f) to head (0af5247).

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #43      +/-   ##
============================================
+ Coverage     25.97%   27.54%   +1.58%     
- Complexity      195      228      +33     
============================================
  Files           102      105       +3     
  Lines          2916     3102     +186     
  Branches        403      439      +36     
============================================
+ Hits            757      854      +97     
- Misses         2122     2196      +74     
- Partials         37       52      +15     

Flag	Coverage Δ
unittests	27.54% <15.62%> (+1.58%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...edu/stanford/spezi/module/account/login/UiState.kt	100.00% <100.00%> (+100.00%)	⬆️
...d/spezi/module/account/login/LoginFormValidator.kt	66.67% <66.67%> (ø)
...ord/spezi/module/account/register/FormValidator.kt	90.00% <90.00%> (ø)
...d/spezi/module/account/register/RegisterUiState.kt	93.11% <80.00%> (-2.72%)	⬇️
...n/kotlin/edu/stanford/bdh/engagehf/MainActivity.kt	0.00% <0.00%> (ø)
...account/cred/manager/CredentialLoginManagerAuth.kt	2.57% <0.00%> (+2.57%)	⬆️
...i/module/account/register/RegisterFormValidator.kt	21.74% <7.15%> (-14.26%)	⬇️
...ed/outlinedtextfield/ValidatedOutlinedTextField.kt	0.00% <0.00%> (ø)
...spezi/module/account/register/RegisterViewModel.kt	28.04% <45.17%> (+5.42%)	⬆️
...nford/spezi/module/account/login/LoginViewModel.kt	40.00% <41.82%> (+40.00%)	⬆️
... and 3 more

... and 3 files with indirect coverage changes

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[PSchmiedmayer]

Thank you for taking a look at this and fixing the issues in smaller targeted PRs @Basler182 🚀
I will defer to @eldcn or @pauljohanneskraft for an in-depth review of the changes.

[eldcn]

🚀

Let's set as a goal for future PRs to have as less codecov complains comments for untested lines as possible 😄