Extension - Change "Claim rewards" to "Check rewards" for dApp staking

[Sokol142196]

Describe the task Change "Claim rewards" to "Check rewards" for dApp staking

Expect:

• Change "Claim rewards" to "Check rewards"
• Always enable button "Check rewards"
• Click on "Check rewards" button then navigate to Astar portal (https://portal.astar.network/astar/dapp-staking/discover)

[haiyenvu23]

Version test : http://14.224.158.246:8900/s/cBRCc2FRPY3Nkow

Validation passed in case :

• Change "Claim rewards" to "Check rewards"

• Always enable button "Check rewards"

• Check the case for stake types other than dApp, the button is still displayed as "Claim rewards"

• [x] With watch-only account, displays an error message when clicking button Check rewards Expect : Click on "Check rewards" button then navigate to Astar portal (https://portal.astar.network/astar/dapp-staking/discover)

• [x] With Polkadot Vault account, after click on "Check rewards" button then navigate to Astar portal, return to the extension, the Actions screen cannot be closed.

[haiyenvu23]

Version test : http://14.224.158.246:8900/s/7p6CXegdjaActH2

Validation passed in case:

• Change "Claim rewards" to "Check rewards"
• Always enable button "Check rewards"
• Check the case for stake types other than dApp, the button is still displayed as "Claim rewards"
• Click on "Check rewards" button with watch-only account
• Click on "Check rewards" button with Polkadot Vault account