Релиз 1.4.5: стабилизация звонков, фиксы UI

- Звонок не сбрасывается при переподключении WebSocket
- Убрано мелькание "Unknown" при завершении (флаг resetting)
- Фикс placeholderColor в ChatDetailScreen (release build)
- ReleaseNotes.kt обновлён с детальным описанием всех изменений

app/src/main/java/com/rosetta/messenger/MainActivity.kt

@@ -1122,18 +1122,13 @@ fun MainScreen(
                     accountName = accountName,
                     accountUsername = accountUsername,
                     accountVerified = accountVerified,
-                    accountPhone = accountPhone,
                     accountPublicKey = accountPublicKey,
                     accountPrivateKey = accountPrivateKey,
-                    privateKeyHash = privateKeyHash,
                     onToggleTheme = onToggleTheme,
                     onProfileClick = { pushScreen(Screen.Profile) },
                     onNewGroupClick = {
                         pushScreen(Screen.GroupSetup)
                     },
-                    onContactsClick = {
-                        // TODO: Navigate to contacts
-                    },
                     onCallsClick = {
                         // TODO: Navigate to calls
                     },
@@ -1152,9 +1147,6 @@ fun MainScreen(
                         )
                     },
                     onSettingsClick = { pushScreen(Screen.Profile) },
-                    onInviteFriendsClick = {
-                        // TODO: Share invite link
-                    },
                     onSearchClick = { pushScreen(Screen.Search) },
                     onRequestsClick = { pushScreen(Screen.Requests) },
                     onNewChat = {
@@ -1166,7 +1158,6 @@ fun MainScreen(
                     onStartCall = { user ->
                         startCallWithPermission(user)
                     },
-                    backgroundBlurColorId = backgroundBlurColorId,
                     pinnedChats = pinnedChats,
                     onTogglePin = { opponentKey ->
                         mainScreenScope.launch { prefsManager.togglePinChat(opponentKey) }