The blocked users list displayed each Matrix ID but offered no way to get it
out of the app, which is what someone who blocked a user for abuse needs in
order to report them onwards.
Long press now copies the Matrix ID and confirms with a snackbar, reusing the
ClipboardHelper and SnackbarDispatcher idiom from the user profile screen. A
short tap still opens the unblock confirmation. The row declares a long click
label so the action is announced by a screen reader. No new string is needed.
hayaksi1
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