Allow disabling local-by-default for transactions with new config entry (#8882)

* Add tx_queue_allow_unknown_local config option

- Previous commit messages:

dispatcher checks if we have the sender account

Add `tx_queue_allow_unknown_local` to MinerOptions

Add `tx_queue_allow_unknown_local` to config

fix order in MinerOptions to match Configuration

add cli flag for tx_queue_allow_unknown_local

Update refs to `tx_queue_allow_unknown_local`

Add tx_queue_allow_unknown_local to config test

revert changes to dispatcher

Move tx_queue_allow_unknown_local to `import_own_transaction`

Fix var name

if statement should return the values

derp de derp derp derp semicolons

Reset dispatch file to how it was before

fix compile issues + change from FLAG to ARG

add test and use `into`

import MinerOptions, clone the secret

Fix tests?

Compiler/linter issues fixed

Fix linter msg - case of constants

IT LIVES

refactor to omit yucky explict return

update comments

Fix based on diff AccountProvider.has_account method

* Refactor flag name + don't change import_own_tx behaviour

fix arg name

Note: force commit to try and get gitlab tests working again 😠

* Add fn to TestMinerService

* Avoid race condition from trusted sources

- refactor the miner tests a bit to cut down on code reuse
- add `trusted` param to dispatch_transaction and import_claimed_local_transaction

Add param to `import_claimed_local_transaction`

Fix fn sig in tests

parity/configuration.rs

@@ -550,6 +550,7 @@ impl Configuration {
 
 			tx_queue_penalization: to_queue_penalization(self.args.arg_tx_time_limit)?,
 			tx_queue_strategy: to_queue_strategy(&self.args.arg_tx_queue_strategy)?,
+			tx_queue_no_unfamiliar_locals: self.args.flag_tx_queue_no_unfamiliar_locals,
 			refuse_service_transactions: self.args.flag_refuse_service_transactions,
 
 			pool_limits: self.pool_limits()?,