change (report room) : use client.isReportRoomApiSupported instead of hardcoded value

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

@@ -88,6 +88,7 @@ class FakeMatrixClient(
     private val availableSlidingSyncVersionsLambda: () -> Result<List<SlidingSyncVersion>> = { lambdaError() },
     private val ignoreUserResult: (UserId) -> Result<Unit> = { lambdaError() },
     private var unIgnoreUserResult: (UserId) -> Result<Unit> = { Result.success(Unit) },
+    private val canReportRoomLambda: () -> Boolean = { false },
     override val ignoredUsersFlow: StateFlow<ImmutableList<UserId>> = MutableStateFlow(persistentListOf()),
 ) : MatrixClient {
     var setDisplayNameCalled: Boolean = false
@@ -329,4 +330,8 @@ class FakeMatrixClient(
     override suspend fun availableSlidingSyncVersions(): Result<List<SlidingSyncVersion>> {
         return availableSlidingSyncVersionsLambda()
     }
+
+    override suspend fun canReportRoom(): Boolean {
+        return canReportRoomLambda()
+    }
 }