Extension - Add warning in case user earn for both nomination pool and direct

[Sokol142196]

Describe the task
Add warning in case user earn for both nomination pool and direct

• Condition and content: https://www.notion.so/subwallet/Th-ng-b-o-warning-unstake-v-confirmation-cho-c-c-user-ang-c-c-pool-v-direct-c44ca43088b047488fce087cdfa5565e?pvs=4#ebd2f25b59af41c69734746cecd4fb85
  • New content:
    • Header: "Continue staking?"
    • Message: "You're currently staking DOT via direct nomination. Due to Polkadot's upcoming changes, continuing to stake via nomination pool will lead to pool-staked funds being frozen (e.g., can't unstake, claim rewards)"
• Popup style: refer popup Transfer all
  

[ThaoNguyen998]

Version test:

• Show popup when stake for Vara network

[ThaoNguyen998]

Version test: http://14.224.129.242:8900/s/GC2CkgHR94HbBnN
Validation passed.

Checklist for issue: https://www.notion.so/subwallet/Checklist-theo-issue-13c9e3215ec24762973dc680aec67198?pvs=4#9762e2dcb8e4453c9f107a0af51c980f