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

.github/workflows/translations-pr.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   open-translations-pr:
-    runs-on: macos-12
+    runs-on: macos-13
     # Skip in forks
     if: github.repository == 'vector-im/element-x-ios'
     steps: