* Bybit: Fix race in TestUpdateAccountInfo and TestWSHandleData
* DriveBy rename TestWSHandleData
* This doesn't address running with -race=2+ due to the singleton
* Accounts: Add account.GetService()
* exchange: Assertify TestSetupDefaults
* Exchanges: Add account.Service override for testing
* Exchanges: Remove duplicate IsWebsocketEnabled test from TestSetupDefaults
* Dispatch: Replace nil checks with NilGuard
* Engine: Remove deprecated printAccountHoldingsChangeSummary
* Dispatcher: Add EnsureRunning method
* Accounts: Move singleton accounts service to exchange Accounts
* Move singleton accounts service to exchange Accounts
This maintains the concept of a global store, whilst allowing exchanges
to override it when needed, particularly for testing.
APIServer:
* Remove getAllActiveAccounts from apiserver
Deprecated apiserver only thing using this, so remove it instead of
updating it
* Update comment for UpdateAccountBalances everywhere
* Docs: Add punctuation to function comments
* Bybit: Coverage for wsProcessWalletPushData Save
