Read map tiler custom style from matrix .well-known file

Closes #6844

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

@@ -221,6 +221,11 @@ interface MatrixClient {
      */
     suspend fun performDatabaseVacuum(): Result<Unit>
 
+    /**
+     * Returns the URL of the map style configured on the server, if any.
+     */
+    suspend fun getMapStyleUrl(): Result<String?>
+
     /**
      * Resets the cached client `well-known` config by the SDK.
      */

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

@@ -808,6 +808,12 @@ class RustMatrixClient(
         }
     }
 
+    override suspend fun getMapStyleUrl(): Result<String?> = withContext(sessionDispatcher) {
+        runCatchingExceptions {
+            innerClient.tileServer()?.mapStyleUrl
+        }
+    }
+
     override suspend fun resetWellKnownConfig(): Result<Unit> {
         return runCatchingExceptions {
             Timber.d("Resetting well-known config for session $sessionId")

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

@@ -44,7 +44,8 @@ class RustPushersService(
                     appDisplayName = setHttpPusherData.appDisplayName,
                     deviceDisplayName = setHttpPusherData.deviceDisplayName,
                     profileTag = setHttpPusherData.profileTag,
-                    lang = setHttpPusherData.lang
+                    lang = setHttpPusherData.lang,
+                    append = false,
                 )
             }
                 .mapFailure { it.mapClientException() }

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

@@ -115,6 +115,7 @@ class FakeMatrixClient(
     private val addRecentEmojiLambda: (String) -> Result<Unit> = { Result.success(Unit) },
     private val markRoomAsFullyReadResult: (RoomId, EventId) -> Result<Unit> = { _, _ -> lambdaError() },
     private val performDatabaseVacuumLambda: () -> Result<Unit> = { lambdaError() },
+    private val getMapStyleUrlResult: () -> Result<String?> = { lambdaError() },
     private val getDatabaseSizesLambda: () -> Result<SdkStoreSizes> = { lambdaError() },
     private val resetWellKnownConfigLambda: () -> Result<Unit> = { lambdaError() },
 ) : MatrixClient {
@@ -373,6 +374,10 @@ class FakeMatrixClient(
         return performDatabaseVacuumLambda()
     }
 
+    override suspend fun getMapStyleUrl(): Result<String?> = simulateLongTask {
+        getMapStyleUrlResult()
+    }
+
     override suspend fun canLinkNewDevice(): Result<Boolean> = simulateLongTask {
         return canLinkNewDeviceResult()
     }