Migrates to a more obvious open/close subscription model for NostrClient

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/relay/client/NostrClient.kt

@@ -206,7 +206,7 @@ class NostrClient(
         return false
     }
 
-    fun sendRequest(
+    fun openReqSubscription(
         subId: String = newSubId(),
         filters: Map<NormalizedRelayUrl, List<Filter>>,
     ) {
@@ -239,7 +239,7 @@ class NostrClient(
         }
     }
 
-    fun sendCount(
+    fun openCountSubscription(
         subId: String = newSubId(),
         filters: Map<NormalizedRelayUrl, List<Filter>>,
     ) {

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/relay/client/accessories/NostrClientSingleDownloadExt.kt

@@ -56,7 +56,7 @@ fun NostrClient.downloadFirstEvent(
 
     subscribe(listener)
 
-    sendRequest(subscriptionId, filters)
+    openReqSubscription(subscriptionId, filters)
 
     GlobalScope.launch(Dispatchers.IO) {
         delay(30000)

quartz/src/main/java/com/vitorpamplona/quartz/nip01Core/relay/client/subscriptions/SubscriptionController.kt

@@ -126,14 +126,14 @@ class SubscriptionController(
                 // was active and is not active anymore, just close.
                 client.close(subId)
             } else {
-                client.sendRequest(subId, updatedFilters)
+                client.openReqSubscription(subId, updatedFilters)
             }
         } else {
             if (updatedFilters == null) {
                 // was not active and is still not active, does nothing
             } else {
                 // was not active and becomes active, sends the entire filter.
-                client.sendRequest(subId, updatedFilters)
+                client.openReqSubscription(subId, updatedFilters)
             }
         }
     }