tweaks on the logic to suspend database when call is ended in background

Session/Calls/Call Management/SessionCall.swift

@@ -329,12 +329,7 @@ public final class SessionCall: CurrentCallProtocol, WebRTCSessionDelegate {
                 )
             },
             completion: { _, _ in
-                if CurrentAppContext().isInBackground() {
-                    // Stop all jobs except for message sending and when completed suspend the database
-                    JobRunner.stopAndClearPendingJobs(exceptForVariant: .messageSend) {
-                        NotificationCenter.default.post(name: Database.suspendNotification, object: self)
-                    }
-                }
+                SessionCallManager.suspendDatabaseIfCallEndedInBackground()
             }
         )
     }

Session/Calls/Call Management/SessionCallManager.swift

@@ -140,6 +140,7 @@ public final class SessionCallManager: NSObject, CallManagerProtocol {
         
         guard let call = currentCall else {
             handleCallEnded()
+            Self.suspendDatabaseIfCallEndedInBackground()
             return
         }
         
@@ -177,6 +178,15 @@ public final class SessionCallManager: NSObject, CallManagerProtocol {
         callUpdate.supportsDTMF = false
     }
     
+    public static func suspendDatabaseIfCallEndedInBackground() {
+        if CurrentAppContext().isInBackground() {
+            // Stop all jobs except for message sending and when completed suspend the database
+            JobRunner.stopAndClearPendingJobs(exceptForVariant: .messageSend) {
+                NotificationCenter.default.post(name: Database.suspendNotification, object: self)
+            }
+        }
+    }
+    
     // MARK: - UI
     
     public func showCallUIForCall(caller: String, uuid: String, mode: CallMode, interactionId: Int64?) {