add missing signal. Fixes #7586

data/gui/accounts_window.ui

@@ -432,6 +432,7 @@
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
                                             <property name="invisible_char">&#x25CF;</property>
+                                            <signal name="focus_out_event" handler="on_cert_entry1_focus_out_event"/>
                                           </object>
                                           <packing>
                                             <property name="position">1</property>