Sprint goals

• Update DPoS module #4516
  • Rename Delegate to Validator module #4627
  • Rename Votes to Stakes #4628
  • Rename dpos to pos module #4629
  • Adopt useSearch Hooks api call with existing one #4646
• Prepare Lisk Desktop v3.0.0 for alpha #4341
  • Add classnames lib #4572
  • Implement new sidebar expand and collapse feature #4599
  • Update wallet header navigation menus #4598
  • Discrete mode is not respected in the wallet view #4620
  • Transactions filters doesn't work as expected #4594
  • Recent transactions widget not rendered #4593
  • Default custom derivation path setting is overridden #4591
  • Not making a change to the custom derivation when creating an account give you an error #4616
  • Unable to register delegate #4595
  • Unable to transfer token from multisignature account #4622
  • Incorrect endpoint invocation #4604
  • Transactions table and filter design is not matching the proposal #4602