[geary: 2/2] Merge branch 'wip/309-signature-not-updated' into 'master'

[Michael Gratton <mjog src gnome org>]

commit 67405f0bbbd74663eb4700c3c1242efea62d1462
Merge: 791c321a 12c6bbca
Author: Michael Gratton <mike vee net>
Date:   Mon Mar 11 03:57:27 2019 +0000

    Merge branch 'wip/309-signature-not-updated' into 'master'
    
    Fix signature not being updated when composer first opened without one
    
    Closes #309
    
    See merge request GNOME/geary!169

 src/client/composer/composer-web-view.vala       |  9 +----
 src/client/composer/composer-widget.vala         | 37 +++++++++++--------
 test/client/composer/composer-web-view-test.vala | 47 ++++++++++++++++++------
 test/js/composer-page-state-test.vala            | 14 +++----
 ui/composer-web-view.css                         |  4 ++
 ui/composer-web-view.js                          | 19 ++++++++--
 6 files changed, 81 insertions(+), 49 deletions(-)
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