1.6.4

What's Changed

• Return whether channel is set as beneficiary or not by @Guillembonet in #4977
• add test for /beneficiary call by @Guillembonet in #5007
• Use Tokens contract in current prices by @mdomasevicius in #5012
• fix eventbus deadlocks by @Snawoot in #5018
• Update doc links to new portal by @otkd in #4993

Full Changelog: 1.6.3...1.6.4