Added Features for Degens

Introduced melt, create, and cancel listing functions for the Degens collection on the Enjin Relaychain.

Removed Support for Samsung Blockchain Keystore Import

The option to import a wallet using the Samsung Blockchain Keystore has been removed due to the lack of support for Substrate.

• Users who have previously imported using the Samsung Blockchain Keystore integration may still import their wallets using their 12-word recovery phrase.

Fix for Best Pool Selection

Resolved an issue where pools with full capacity were displayed as the Best Pool when selecting Stake Now.