Sprint goals

• Change API to support Lisk SDK v5 API #3288

  • Fix broken UI due to refactoring #3452
  • Refactor transaction creation process to the latest Lisk Element #3450
  • Refactor fee calculation process to match SDK v5 #3451
  • Adapt transaction broadcast #3459
  • Convert bigint type to string before passing around the code #3467

• Prepare 2.0.0 for beta.3 #3462

  • Merge Master into Development #3430

Moved goals

• Fix broken unit tests due to adapting to Lisk SDK v5 API #3453