desktop: prevent desktop being locked after the call (#7505)

Co-authored-by: Evgeny @ SimpleX Chat <259188159+evgeny-simplex@users.noreply.github.com>

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/AppLock.kt

@@ -269,6 +269,7 @@ object AppLock {
   fun elapsedRealtime(): Long = System.nanoTime() / 1_000_000
 
   fun recheckAuthState() {
+    if (ChatModel.showCallView.value) return
     val enteredBackgroundVal = enteredBackground.value
     val delay = ChatController.appPrefs.laLockDelay.get()
     if (enteredBackgroundVal == null || elapsedRealtime() - enteredBackgroundVal >= delay * 1000) {

apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/call/CallManager.kt

@@ -1,5 +1,6 @@
 package chat.simplex.common.views.call
 
+import chat.simplex.common.AppLock
 import chat.simplex.common.model.*
 import chat.simplex.common.platform.*
 import chat.simplex.common.views.helpers.withBGApi
@@ -78,6 +79,7 @@ class CallManager(val chatModel: ChatModel) {
 
       // Don't destroy WebView if you plan to accept next call right after this one
       if (!switchingCall.value) {
+        AppLock.appWasHidden()
         showCallView.value = false
         activeCall.value?.androidCallState?.close()
         activeCall.value = null