This also fixes the situation where we block group-leave messages,
preventing blocked contacts from leaving groups.
Fixes#7970
Also, this forced us to upgrade libsignal-service, which fixes the
websocket timeout issues. Thanks to @dpapavas!
Fixes#6644
<stringname="ConversationActivity_specify_recipient">Please choose a contact</string>
<stringname="ConversationActivity_unblock_this_contact_question">Unblock this contact?</string>
<stringname="ConversationActivity_unblock_this_group_question">Unblock this group?</string>
<stringname="ConversationActivity_you_will_once_again_be_able_to_receive_messages_and_calls_from_this_contact">You will once again be able to receive messages and calls from this contact.</string>
<stringname="ConversationActivity_unblock_this_group_description">Existing members will be able to add you to the group again.</string>
<stringname="RecipientPreferenceActivity_block_this_contact_question">Block this contact?</string>
<stringname="RecipientPreferenceActivity_you_will_no_longer_receive_messages_and_calls_from_this_contact">You will no longer receive messages and calls from this contact.</string>
<stringname="RecipientPreferenceActivity_block_and_leave_group">Block and leave this group?</string>
<stringname="RecipientPreferenceActivity_block_group">Block this group?</string>
<stringname="RecipientPreferenceActivity_block_and_leave_group_description">You will no longer receive messages or updates from this group.</string>
<stringname="RecipientPreferenceActivity_unblock_this_contact_question">Unblock this contact?</string>
<stringname="RecipientPreferenceActivity_you_will_once_again_be_able_to_receive_messages_and_calls_from_this_contact">You will once again be able to receive messages and calls from this contact.</string>
<stringname="RecipientPreferenceActivity_unblock_this_group_question">Unblock this group?</string>
<stringname="RecipientPreferenceActivity_unblock_this_group_description">Existing members will be able to add you to the group again.</string>