fix: register Element Plus icons globally

- Import and register all @element-plus/icons-vue
- Fixes icons showing as squares/rectangles

src/renderer/src/main.ts

@@ -3,6 +3,7 @@ import { createApp } from 'vue'
 import { createPinia } from 'pinia'
 import ElementPlus from 'element-plus'
 import 'element-plus/dist/index.css'
+import * as ElementPlusIconsVue from '@element-plus/icons-vue'
 import App from './App.vue'
 import router from './router'
 import './styles/global.css'
@@ -11,4 +12,9 @@ const app = createApp(App)
 app.use(createPinia())
 app.use(router)
 app.use(ElementPlus, { size: 'small' })
+
+for (const [key, component] of Object.entries(ElementPlusIconsVue)) {
+  app.component(key, component)
+}
+
 app.mount('#app')