kotlin: refactor chat contexts 1 (remove functions creating indirection) (#5827)

* kotlin: refactor chat contexts 1

* remove withChats

* comment

* remove withReportChatsIfOpen

* remove comment

* fix desktop

apps/multiplatform/android/src/main/java/chat/simplex/app/SimplexApp.kt

@@ -24,7 +24,6 @@ import chat.simplex.app.views.call.CallActivity
 import chat.simplex.common.helpers.*
 import chat.simplex.common.model.*
 import chat.simplex.common.model.ChatController.appPrefs
-import chat.simplex.common.model.ChatModel.withChats
 import chat.simplex.common.platform.*
 import chat.simplex.common.ui.theme.*
 import chat.simplex.common.views.call.*
@@ -33,7 +32,6 @@ import chat.simplex.common.views.helpers.*
 import chat.simplex.common.views.onboarding.OnboardingStage
 import com.jakewharton.processphoenix.ProcessPhoenix
 import kotlinx.coroutines.*
-import kotlinx.coroutines.flow.map
 import java.io.*
 import java.util.*
 import java.util.concurrent.TimeUnit
@@ -94,7 +92,7 @@ class SimplexApp: Application(), LifecycleEventObserver {
         Lifecycle.Event.ON_START -> {
           isAppOnForeground = true
           if (chatModel.chatRunning.value == true) {
-            withChats {
+            withContext(Dispatchers.Main) {
               kotlin.runCatching {
                 val currentUserId = chatModel.currentUser.value?.userId
                 val chats = ArrayList(chatController.apiGetChats(chatModel.remoteHostId()))
@@ -107,7 +105,7 @@ class SimplexApp: Application(), LifecycleEventObserver {
                     /** Pass old chatStats because unreadCounter can be changed already while [ChatController.apiGetChats] is executing */
                     if (indexOfCurrentChat >= 0) chats[indexOfCurrentChat] = chats[indexOfCurrentChat].copy(chatStats = oldStats)
                   }
-                  updateChats(chats)
+                  chatModel.chatsContext.updateChats(chats)
                 }
               }.onFailure { Log.e(TAG, it.stackTraceToString()) }
             }