fix(wifi): add alignment to SVG lock icon for visibility

- Svg DrawingArea needs h_align/v_align to render in Box layout

src/window/controlcenter/wifi.py

@@ -57,7 +57,11 @@ class WifiNetworkSlot(Box):
         self.lock_icon = None
         if self.access_point.requires_password:
             self.lock_icon = svg_file(
-                "notch/lock.svg", size=12, name="wifi-lock-icon"
+                "notch/lock.svg",
+                size=12,
+                name="wifi-lock-icon",
+                h_align="center",
+                v_align="center",
             )
 
         self.password_dialog = None