Media uploading (#851)

* MediaUploadingPreprocessor - Prevent images without any GPS metadata from being changed

* Add support for sending images

* Add support for sending video, audio and file attachments

* Rename MediaPickerPreview to MediaUploadPreview

* Move media uploading to the MediaUploadPreviewScreen, add waiting indicators and error handling

* Add support for pasting and drag&dropping in media for upload

* Adopt new media picker source UI, remove developer flag

* Set minimum heights for timeline loadable images

* Fix invalid camera picker file names

* Fix flakey MediaUploadingPreprocessor image tests, improve gps metadata stripping

* UITests: Update existing screenshots and add new step for the room attachment picker

* Switch all github action runners to macos-13

* Cleanup enter key and paste message composer handlers

ElementX/Sources/Screens/MediaUploadPreviewScreen/MediaUploadPreviewScreenModels.swift

@@ -0,0 +1,31 @@
+//
+// 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 Foundation
+
+enum MediaUploadPreviewScreenViewModelAction {
+    case dismiss
+}
+
+struct MediaUploadPreviewScreenViewState: BindableState {
+    let url: URL
+    let title: String?
+}
+
+enum MediaUploadPreviewScreenViewAction {
+    case send
+    case cancel
+}