imprv: Workspaces: Enable emoji picker

Fixes: #10812

gajim/data/gui/workspace_dialog.ui

@@ -29,6 +29,8 @@
             <property name="halign">center</property>
             <property name="activates-default">True</property>
             <property name="xalign">0.5</property>
+            <property name="show-emoji-icon">True</property>
+            <property name="enable-emoji-completion">True</property>
             <signal name="notify::text" handler="_on_text_changed" swapped="no"/>
           </object>
           <packing>
@@ -88,6 +90,7 @@
         <property name="visible">True</property>
         <property name="can-focus">False</property>
         <property name="halign">center</property>
+        <property name="margin-top">24</property>
         <property name="spacing">6</property>
         <child>
           <object class="GtkSwitch" id="image_switch">

gajim/gtk/workspace_dialog.py

@@ -41,7 +41,7 @@ def __init__(self, workspace_id: Optional[str] = None) -> None:
         self.set_show_menubar(False)
         self.set_title(_('Workspace Settings'))
         self.set_type_hint(Gdk.WindowTypeHint.DIALOG)
-        self.set_size_request(350, -1)
+        self.set_size_request(500, 600)
 
         self._workspace_id = workspace_id