CCDWA-126 seed export

[zaiatsartem]

Purpose

Private key and Seed phrase export

Changes

• Add ability to export the seed phrase
• Add private key screen
• Add ability to export the private key

Checklist

• My code follows the style of this project.
• The code compiles without warnings.
• I have performed a self-review of the changes.
• I have documented my code, in particular the intent of the
  hard-to-understand areas.
• (If necessary) I have updated the CHANGELOG.

[github-actions]

File	Coverage [1.03%]	❌
AuthPreferences.kt	4.91%	❌
SettingsActivity.kt	0%	❌
AnimationUtil.kt	0%	❌
PassPhraseModule.kt	0%	❌
SharedPreferencesDataSourceImpl.kt	0%	❌
ExportSeedActivity.kt	0%	❌
ExportSeedViewModel.kt	0%	❌
ExportPassPhraseFragment.kt	0%	❌
ExportPassPhraseViewModel.kt	0%	❌
ExportSeedFragment.kt	0%	❌

Total Project Coverage	1%	❌

[github-actions]

File	Coverage [0.82%]	❌
AuthPreferences.kt	4.91%	❌
SettingsActivity.kt	0%	❌
AnimationUtil.kt	0%	❌
PassPhraseModule.kt	0%	❌
SunsettingNoticeDialogFragment.kt	0%	❌
SharedPreferencesDataSourceImpl.kt	0%	❌
ExportSeedActivity.kt	0%	❌
ExportSeedViewModel.kt	0%	❌
ExportPassPhraseFragment.kt	0%	❌
ExportPassPhraseViewModel.kt	0%	❌
ExportSeedFragment.kt	0%	❌

Total Project Coverage	1%	❌

[github-actions]

File	Coverage [0.82%]	❌
AuthPreferences.kt	4.91%	❌
SettingsActivity.kt	0%	❌
AnimationUtil.kt	0%	❌
PassPhraseModule.kt	0%	❌
SunsettingNoticeDialogFragment.kt	0%	❌
SharedPreferencesDataSourceImpl.kt	0%	❌
ExportSeedActivity.kt	0%	❌
ExportSeedViewModel.kt	0%	❌
ExportPassPhraseFragment.kt	0%	❌
ExportPassPhraseViewModel.kt	0%	❌
ExportSeedFragment.kt	0%	❌

Total Project Coverage	1%	❌

[github-actions]

File	Coverage [0.83%]	❌
AuthPreferences.kt	4.91%	❌
SettingsActivity.kt	0%	❌
AnimationUtil.kt	0%	❌
PassPhraseModule.kt	0%	❌
SunsettingNoticeDialogFragment.kt	0%	❌
SharedPreferencesDataSourceImpl.kt	0%	❌
ExportSeedActivity.kt	0%	❌
ExportSeedViewModel.kt	0%	❌
ExportPassPhraseFragment.kt	0%	❌
ExportPassPhraseViewModel.kt	0%	❌
ExportSeedFragment.kt	0%	❌

Total Project Coverage	1%	❌