Fix UI bugs for Unified account

[Thiendekaco]

• Backup account -> Move to #3485
• [x] Account selection screen
  • [x] Add dropdown icon to the account selector header
  • [x] Add "export all accounts" button on the account selection screen
  • [x] Reset the search account field value in the account selector when the modal is closed and reopened
  • [x] Derivation icon is not displayed on the account selection screen
• [x] Import account by seed phrase
  • [x] Update import account method names according to the design
    • [x] Update message when the user enters a seed phrase that has already been imported
• [x] Create new account
  • [x] Add an account name step when creating a derived account
• [x] Account details
  • [x] Derivation path is not displayed
  • [x] The derived accounts tab is not shown for Substrate accounts
  • [x] The search bar should allow searching by network name and address
  • [x] Clicking on a network address item should display the QR code screen
  • [x] Temporarily hide the "upgrade to unified account" button
  • [x] Review the UI of the search results when no matching accounts are found
  • [x] Derived accounts: allow search by account name and address
  • [x] Derived accounts: show a toast notification when copying
  • [x] Derived accounts: detail button does not redirect
• [x] Import by private key
  • [x] Add account name step : https://www.figma.com/board/Rvcxn7edWpsUUKSK2eddEX?node-id=2149-4064#917833693
• [x] Get address
  • [x] In account details, add a warning flow for TON accounts
  • [x] In the receive screen at home, display the correct list of tokens compatible with the current account type
  • [x] Incorrect button style in the TON account warning screen
• [x] Attach watch-only account
  • [x] Add account name step
• [x] Attach QR signer account
  • [x] Add account name step : https://www.figma.com/board/Rvcxn7edWpsUUKSK2eddEX?node-id=2388-3973#917819555
• Attach Ledger account -> Move to https://github.com/Koniverse/SubWallet-Extension/issues/3491
  • Add account name step : https://www.figma.com/board/Rvcxn7edWpsUUKSK2eddEX?node-id=2151-4739#909904213
  • Clicking connect doesn't create the account: https://www.figma.com/board/Rvcxn7edWpsUUKSK2eddEX?node-id=2151-4798#909908875
• [x] Implement UI logic for account derivation

[Sokol142196]

Version test: https://drive.google.com/file/d/1FgewyLIHbwxRq8fsyvHx_0-s0eJ1wILh/view?usp=sharing

Validation passed for these cases