Replace FilePreviewScreen with InteractiveQuickLook. (#1187)

* Replace FilePreviewScreen with InteractiveQuickLook.

- Allows full screen presentation.
- Allows dismiss gesture to work.
- Presentation looks much better on macOS.

UnitTests/Sources/FilePreviewViewModelTests.swift

@@ -1,44 +0,0 @@
-//
-// Copyright 2022 New Vector Ltd
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-import XCTest
-
-@testable import ElementX
-
-@MainActor
-class FilePreviewScreenViewModelTests: XCTestCase {
-    var viewModel: FilePreviewScreenViewModelProtocol!
-    var context: FilePreviewScreenViewModelType.Context!
-
-    override func setUpWithError() throws {
-        viewModel = FilePreviewScreenViewModel(mediaFile: .unmanaged(url: URL(staticString: "https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf")))
-        context = viewModel.context
-    }
-
-    func testCancel() async throws {
-        var correctResult = false
-        viewModel.callback = { result in
-            switch result {
-            case .cancel:
-                correctResult = true
-            }
-        }
-
-        context.send(viewAction: .cancel)
-        await Task.yield()
-        XCTAssert(correctResult)
-    }
-}