fix: import vaadin-iconset in main entrypoint (#3502) (#3505)

Co-authored-by: Serhii Kulykov <iamkulykov@gmail.com>

Author: vaadin-bot

packages/vaadin-lumo-styles/all-imports.js

@@ -17,8 +17,6 @@ import './color.js';
 export * from './color.js';
 import './font-icons.js';
 export * from './font-icons.js';
-import './icons.js';
-export * from './icons.js';
 import './sizing.js';
 export * from './sizing.js';
 import './spacing.js';
@@ -29,3 +27,4 @@ import './typography.js';
 export * from './typography.js';
 import './utility.js';
 export * from './utility.js';
+import './vaadin-iconset.js';