refactor: centralize shared error handling

feature/settings/src/main/kotlin/dev/meloda/fast/settings/SettingsViewModel.kt

@@ -17,6 +17,7 @@ import dev.meloda.fast.common.model.LongPollState
 import dev.meloda.fast.common.model.UiText
 import dev.meloda.fast.common.model.parseString
 import dev.meloda.fast.data.UserConfig
+import dev.meloda.fast.data.VkMemoryCache
 import dev.meloda.fast.data.db.AccountsRepository
 import dev.meloda.fast.data.processState
 import dev.meloda.fast.datastore.AppSettings
@@ -45,7 +46,8 @@ class SettingsViewModel(
     private val getCurrentAccountUseCase: GetCurrentAccountUseCase,
     private val userSettings: UserSettings,
     private val resources: Resources,
-    private val longPollController: LongPollController
+    private val longPollController: LongPollController,
+    private val vkMemoryCache: VkMemoryCache
 ) : ViewModel() {
 
     private val _screenState = MutableStateFlow(SettingsScreenState.EMPTY)
@@ -112,6 +114,7 @@ class SettingsViewModel(
                                 )
 
                                 accountsRepository.storeAccounts(listOf(account))
+                                vkMemoryCache.clear()
 
                                 _isNeedToRestart.setValue { true }
                             }
@@ -164,6 +167,7 @@ class SettingsViewModel(
             )
 
             tasks.awaitAll()
+            vkMemoryCache.clear()
         }
     }