* Make the attachment background the same as the input bar background
Two different users recently complained that they find drafting images confusing. One of them thought that they had already sent it, the other one didn't know how to send it (both of them figured it out after ~10s, but still, it's nicer to avoid such confusion). In both cases, the problem was that the background of the attached file is the same as the chat background, not the same as the input bar, even though the attached file belongs to the input bar and not to the chat.
* Add a stroke around the to-be attachment
the email-address was removed for guaranteed-e2ee chats quite a while ago
(https://github.com/deltachat/deltachat-android/pull/2916) reason was, among others,
that these addresses are often chatmail and therefore random.
(despite expecting otherwise, that was fine for most users).
this PR removes the email-adress unconditionally:
- having the email-address sometimes shown and sometimes not is confusing,
and easily looks like a bug.
this has become worse with the added vcard-support
(before, there were rare non-guaranteed chats in chatmail) -
resulting in more random addresses being shown
- _always_ protect against over-the-shoulder attacks
- better privacy in screenshots sent around without thinking much before
(cmp. https://github.com/deltachat/deltachat-ios/pull/2329)
- wrt impersonation attacks:
the pure email address in the subtitle did never protect against impersonation,
one could always get sth. trustworthy looking there,
it is better to check the profile with additional information (eg. other chats) if in doubt
- general cleaner, uncluttered layout
- pave the way of the upcoming multi-addresses
drawback is that sometimes one more tap is needed to access the email-address -
however, as it is _always_ one tap away now,
this can also go easily to the finger memory.
it is regarded as a bug
and esp. weird in translations.
it was regarded to be a bit 'nerdy' that time to write it lowercase,
but it seems we have to get more serious now.
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