Added cloud-offline icon from @samsartor

sublime/ui/common/load_error.py

@@ -18,11 +18,11 @@ class LoadError(Gtk.Box):
         error_description_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
 
         if offline_mode:
-            icon_name = "weather-severe-alert-symbolic"
+            icon_name = "cloud-offline-symbolic"
             label = f"{entity_name} may be incomplete.\n" if has_data else ""
             label += f"Go online to {action}."
         else:
-            icon_name = "dialog-error"
+            icon_name = "network-error-symbolic"
             label = f"Error attempting to {action}."
 
         image = Gtk.Image.new_from_icon_name(icon_name, Gtk.IconSize.DIALOG)

sublime/ui/icons/cloud-offline-symbolic.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24">
+  <path fill="#dcdcdc" d="M3.42 2.38a1.04 1.04 0 00-.73 1.77l2.8 2.81L18 19.46l1.88 1.88a1.04 1.04 0 101.47-1.47l-.97-.96L7.12 5.65 4.15 2.68c-.2-.2-.47-.3-.73-.3zm7.53 2.17c-1.08.01-2.11.25-3.04.68l13.24 13.24A5.77 5.77 0 0017.4 7.93a7.62 7.62 0 00-6.44-3.38zm-6 3.08A7.59 7.59 0 003.5 11.1a4.2 4.2 0 00.98 8.3l12.28.04L4.94 7.63z"/>
+</svg>