Create AppMigration09 to remove the cached well-known config from the SDK (#6026)

This value was most likely was incorrectly cached due to a previous issue in the SDK

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/MatrixClient.kt

@@ -214,7 +214,15 @@ interface MatrixClient {
      */
     fun createLinkDesktopHandler(): Result<LinkDesktopHandler>
 
+    /**
+     * Performs a database optimization that should flush cached data and improve performance.
+     */
     suspend fun performDatabaseVacuum(): Result<Unit>
+
+    /**
+     * Resets the cached client `well-known` config by the SDK.
+     */
+    suspend fun resetWellKnownConfig(): Result<Unit>
 }
 
 /**

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/RustMatrixClient.kt

@@ -791,6 +791,13 @@ class RustMatrixClient(
         }
     }
 
+    override suspend fun resetWellKnownConfig(): Result<Unit> {
+        return runCatchingExceptions {
+            Timber.d("Resetting well-known config for session $sessionId")
+            innerClient.resetWellKnown()
+        }
+    }
+
     private suspend fun getCacheSize(
         includeCryptoDb: Boolean = false,
     ): Long = withContext(sessionDispatcher) {

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -112,6 +112,7 @@ class FakeMatrixClient(
     private val markRoomAsFullyReadResult: (RoomId, EventId) -> Result<Unit> = { _, _ -> lambdaError() },
     private val performDatabaseVacuumLambda: () -> Result<Unit> = { lambdaError() },
     private val getDatabaseSizesLambda: () -> Result<SdkStoreSizes> = { lambdaError() },
+    private val resetWellKnownConfigLambda: () -> Result<Unit> = { lambdaError() },
 ) : MatrixClient {
     var setDisplayNameCalled: Boolean = false
         private set
@@ -379,4 +380,8 @@ class FakeMatrixClient(
     override fun createLinkMobileHandler(): Result<LinkMobileHandler> {
         return createLinkMobileHandlerResult()
     }
+
+    override suspend fun resetWellKnownConfig(): Result<Unit> {
+        return resetWellKnownConfigLambda()
+    }
 }