Expose new methods to web3wallet

[alexander-lsvk]

Due Dilligence

Related to the topic:

Hey guys, related to Web3Wallet on iOS.
There are a lot of methods/combine publishers that we're currently using (From Sign and Pair targets) but they are not included in the Web3Wallet target and we need to import the other packages in order to make it work
Can we include them in the new SDK?

Sign
socketConnectionStatusPublisher
sessionSettlePublisher
sessionDeletePublisher
sessionResponsePublisher
cleanup

Pair
getPairings()

• Breaking change
• Requires a documentation update

[flypaper0]

May be move it in TestingUtills?
like

extension XCTestCase {
  func waitExpectation(timeout: TimeInterval)
}