Fix launchbar icon issue on Wayland

Icons did not render correctly on Wayland when supplying path to the
icon.

Fixes #4552

libqtile/widget/launchbar.py

@@ -272,20 +272,13 @@ def draw(self):
                 )
             else:
                 # display an icon
-                self.drawer.ctx.save()
+                # Translate to vertically centre the icon
                 self.drawer.ctx.translate(0, self._icon_padding + self.padding_y)
                 self.drawer.ctx.set_source(self.surfaces[name])
                 self.drawer.ctx.paint()
-                self.drawer.ctx.restore()
 
             self.drawer.ctx.restore()
 
-            self.drawer.draw(
-                offsetx=self.offset + xoffset,
-                offsety=self.offsety,
-                width=icon_width + self.padding,
-            )
-
             xoffset += icon_width + self.padding
 
         self.drawer.draw(offsetx=self.offset, offsety=self.offsety, width=self.width)