Don't hide report dialog early

It looks like hiding it already causes it to be accepted.
Fixes #1128

qutebrowser/misc/crashdialog.py

@@ -348,7 +348,6 @@ class _CrashDialog(QDialog):
                          "but you're currently running v{} - please "
                          "update!".format(newest, qutebrowser.__version__))
         text = '<br/><br/>'.join(lines)
-        self.hide()
         msgbox.information(self, "Report successfully sent!", text,
                            on_finished=self.finish, plain_text=False)
 
@@ -365,7 +364,6 @@ class _CrashDialog(QDialog):
                      "<a href=https://www.qutebrowser.org/>qutebrowser.org</a> "
                      "by yourself.".format(msg))
         text = '<br/><br/>'.join(lines)
-        self.hide()
         msgbox.information(self, "Report successfully sent!", text,
                            on_finished=self.finish, plain_text=False)