Adds forceLoginFallback private setting

vector/src/debug/java/im/vector/app/features/debug/settings/DebugPrivateSettingsViewActions.kt

@@ -20,4 +20,5 @@ import im.vector.app.core.platform.VectorViewModelAction
 
 sealed class DebugPrivateSettingsViewActions : VectorViewModelAction {
     data class SetDialPadVisibility(val force: Boolean) : DebugPrivateSettingsViewActions()
+    data class SetForceLoginFallbackEnabled(val force: Boolean) : DebugPrivateSettingsViewActions()
 }

vector/src/debug/java/im/vector/app/features/debug/settings/DebugPrivateSettingsViewModel.kt

@@ -45,15 +45,18 @@ class DebugPrivateSettingsViewModel @AssistedInject constructor(
 
     private fun observeVectorDataStore() {
         vectorDataStore.forceDialPadDisplayFlow.setOnEach {
-            copy(
-                    dialPadVisible = it
-            )
+            copy(dialPadVisible = it)
+        }
+
+        vectorDataStore.forceLoginFallbackFlow.setOnEach {
+            copy(forceLoginFallback = false)
         }
     }
 
     override fun handle(action: DebugPrivateSettingsViewActions) {
         when (action) {
-            is DebugPrivateSettingsViewActions.SetDialPadVisibility -> handleSetDialPadVisibility(action)
+            is DebugPrivateSettingsViewActions.SetDialPadVisibility         -> handleSetDialPadVisibility(action)
+            is DebugPrivateSettingsViewActions.SetForceLoginFallbackEnabled -> handleSetForceLoginFallbackEnabled(action)
         }
     }
 
@@ -62,4 +65,10 @@ class DebugPrivateSettingsViewModel @AssistedInject constructor(
             vectorDataStore.setForceDialPadDisplay(action.force)
         }
     }
+
+    private fun handleSetForceLoginFallbackEnabled(action: DebugPrivateSettingsViewActions.SetForceLoginFallbackEnabled) {
+        viewModelScope.launch {
+            vectorDataStore.setForceLoginFallbackFlow(action.force)
+        }
+    }
 }

vector/src/debug/java/im/vector/app/features/debug/settings/DebugPrivateSettingsViewState.kt

@@ -19,5 +19,6 @@ package im.vector.app.features.debug.settings
 import com.airbnb.mvrx.MavericksState
 
 data class DebugPrivateSettingsViewState(
-        val dialPadVisible: Boolean = false
+        val dialPadVisible: Boolean = false,
+        val forceLoginFallback: Boolean = false,
 ) : MavericksState

vector/src/main/java/im/vector/app/features/settings/VectorDataStore.kt

@@ -59,4 +59,17 @@ class VectorDataStore @Inject constructor(
             settings[forceDialPadDisplay] = force
         }
     }
+
+
+    private val forceLoginFallback = booleanPreferencesKey("force_login_fallback")
+
+    val forceLoginFallbackFlow: Flow<Boolean> = context.dataStore.data.map { preferences ->
+        preferences[forceLoginFallback].orFalse()
+    }
+
+    suspend fun setForceLoginFallbackFlow(force: Boolean) {
+        context.dataStore.edit { settings ->
+            settings[forceLoginFallback] = force
+        }
+    }
 }