AdwTabPage add icon name support
AdwTabPage should provide a way to update its icon via the bind-source method.
<object class="AdwTabPage" id="page_explorer">
<property name="needs-attention">true</property>
<!--property name="icon" bind-source="view" bind-property="icon" bind-flags="sync-create"/-->
<property name="title" bind-source="view" bind-property="title" bind-flags="sync-create"/>
<property name="tooltip" bind-source="view" bind-property="title" bind-flags="sync-create"/>
<property name="icon">
<object class="GThemedIcon">
<property name="name">start-here-symbolic</property>
<!--property name="icon" bind-source="view" bind-property="icon" bind-flags="sync-create"/-->
</object>
</property>
<property name="child">
<object class="View" id="view" />
</property>
</object>
libadwaita: 1.1
Edited by TAO ZUHONG