Use truncate mode to replace the contents of existing files
`ContentResolver.openOutputStream(Uri)` does not truncate existing files. If the amount of data written is smaller than the file size, you end up with new data at the beginning of the file followed by old data at the end of the file.
* enabling the personalisation flow and promoting the strings for translation
* delegating the fake vector features to the static defaults, the fake exists for allowing overrides when needed
* incorporating the personalisation screens into the UI test signup
* adding changelog entry
* removing unused import
* putting the personalisation UI test flow behind the feature flag so that we can keep it disabled
* disabling the personalisation flow, we'll batch enable with other parts of the FTUE flow
* enabling the personalisation feature for registration unit tests which expect it to be enabled
`ContentResolver.openOutputStream(Uri)` does not truncate existing files. If the amount of data written is smaller than the file size, you end up with new data at the beginning of the file followed by old data at the end of the file.
- the switch from runBlockingTest to runTest means we need to provide a separate scope from the test in order to asynchronously collect the flow results
* adding tests around the onboarding view model
- cases for the personalisation and display name actions
* adding base choose name fragment with UI
* add click handling for the display name actions
* adding tests around the onboarding view model
- cases for the personalisation and display name actions
* adding barebones profile picture fragment with ability to select a user avatar
* extracting uri filename resolving to a class which can be injected
- includes tests
* updating upstream avatar on profile picture save and continue step
- moves the personalisation state to a dedicated model to allow for back and forth state restoration
* adding test case for skipping profile picture setting
* taking the profile loading into account when rendering the onboarding loading
* extracting method for the handling of the profile picture selection
* adding dedicated camera icon for choosing profile picture
* adding toolbar to back to profile picture page
- this toolbar will fade in with the fragment as it sits at the fragment level, probably worth revisiting once more pages have a toolbar
* changing edit/add picture icon based on if we're already selected an image
* making use of debounced clicks to avoid potential extra clicks
* making the avatar height and camera icon relative percentage based
- also makes the avatar itself clicking, including a foreground ripple
* fixing formatting
* making use of fake session id for user id assertion
* using a real matrix id syntax for the fake session user id
* removing duplicated dimens
* using self closing imageview tag
