Components.InspectorLogView: Support filtering logs by account/domain

Hook up sidebar rows so that their checkbox's enabled state indicates
and can be used to set the filtering for the log view.

ui/components-inspector-log-view.ui

@@ -59,6 +59,7 @@
                     <property name="can_focus">False</property>
                     <property name="hexpand">False</property>
                     <property name="selection_mode">none</property>
+                    <signal name="row-activated" handler="on_sidebar_row_activated" swapped="no"/>
                     <style>
                       <class name="sidebar"/>
                     </style>