Refactor TorService (#2388)

* TorServices Refactor to make value passing easier

* Allow specifying Tor services through config

Format:

BTCPAY_TORSERVICES: "BTCPAYSERVER:URL.ONION:VIRTUALPORT;BTC-P2P:URL.ONION:VIRTUALPORT;BTC-RPC:URL.ONION:VIRTUALPORT;SOMEOTHERONIONSERVICE:URL.ONION:VIRTUALPORT"

* add tests

* Optimize Tor Services loader and ensure it is loaded as a hosted service

* Remove Task from Tor service loader

* Use options to parse Tor services

* Fix booboo

* Fix test after fixing booboo

* Adding timeout on long running CanEnumeratetorServices test

(cherry picked from commit 274b77e3175960158b803410037e2c7ff31984be)

* Renaming timeout variable to better name

* Only allow one of torrcfile or torservices

Co-authored-by: Kukks <evilkukka@gmail.com>
Co-authored-by: rockstardev <rockstardev@users.noreply.github.com>

BTCPayServer.Common/BTCPayNetworkProvider.cs

@@ -131,5 +131,10 @@ namespace BTCPayServer
             }
             return network as T;
         }
+        public bool TryGetNetwork<T>(string cryptoCode, out T network) where T : BTCPayNetworkBase
+        {
+            network = GetNetwork<T>(cryptoCode);
+            return network != null;
+        }
     }
 }