systray applet: Use the correct panel size when reloading icons.

In some cases the size was getting scaled multiple times. Just
get the icon size from the panel at the time of the redisplay.

ref: #11347

Author: mtwebster

files/usr/share/cinnamon/applets/[email protected]/applet.js

@@ -99,17 +99,17 @@ class CinnamonSystrayApplet extends Applet.Applet {
         });
     }
 
-    resizeIcons(size) {
-        this.icon_size = size * global.ui_scale;
+    resizeIcons() {
+        this.icon_size = this.getPanelIconSize() * global.ui_scale;
         Main.statusIconDispatcher.redisplay();
     }
 
     on_panel_icon_size_changed(size) {
-        this.resizeIcons(size);
+        this.resizeIcons();
     }
 
     on_panel_edit_mode_changed() {
-        this.resizeIcons(this.icon_size);
+        this.resizeIcons();
     }
 
     uiScaleChanged() {
@@ -118,7 +118,7 @@ class CinnamonSystrayApplet extends Applet.Applet {
         }
 
         this._scaleUpdateId = Mainloop.timeout_add(1500, () => {
-            this.resizeIcons(this.getPanelIconSize());
+            this.resizeIcons();
 
             this._scaleUpdateId = 0;
             return GLib.SOURCE_REMOVE;