fix an issue when app is in background state, call messages are not handled properly

Session.xcodeproj/project.pbxproj

@@ -7778,7 +7778,7 @@
 				CODE_SIGN_ENTITLEMENTS = Session/Meta/Signal.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				CURRENT_PROJECT_VERSION = 504;
+				CURRENT_PROJECT_VERSION = 505;
 				DEVELOPMENT_TEAM = SUQ8J2PCT7;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -7849,7 +7849,7 @@
 				CODE_SIGN_ENTITLEMENTS = Session/Meta/Signal.entitlements;
 				CODE_SIGN_IDENTITY = "iPhone Developer";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
-				CURRENT_PROJECT_VERSION = 504;
+				CURRENT_PROJECT_VERSION = 505;
 				DEVELOPMENT_TEAM = SUQ8J2PCT7;
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",

SessionMessagingKit/Sending & Receiving/Pollers/Poller.swift

@@ -413,7 +413,9 @@ public class Poller {
                                     job: job,
                                     canStartJob: (
                                         !forceSynchronousProcessing &&
-                                        (Singleton.hasAppContext && !Singleton.appContext.isInBackground)
+                                        (Singleton.hasAppContext && !Singleton.appContext.isInBackground) ||
+                                        // FIXME: Better seperate the call messages handling, since we need to handle them all the time
+                                        SessionEnvironment.shared?.callManager.wrappedValue?.currentCall != nil
                                     ),
                                     using: dependencies
                                 )