Fix package link setting can only list limited repositories (#35394)

Fix #24801

<img width="1123" height="503" alt="image"
src="https://github.com/user-attachments/assets/823f4214-e08a-4506-9018-057c50e7fc52"
/>

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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Giteabot <teabot@gitea.io>

web_src/js/features/comp/SearchRepoBox.ts

@@ -0,0 +1,26 @@
+import {fomanticQuery} from '../../modules/fomantic/base.ts';
+import {htmlEscape} from '../../utils/html.ts';
+
+const {appSubUrl} = window.config;
+
+export function initCompSearchRepoBox(el: HTMLElement) {
+  const uid = el.getAttribute('data-uid');
+  fomanticQuery(el).search({
+    minCharacters: 2,
+    apiSettings: {
+      url: `${appSubUrl}/repo/search?q={query}&uid=${uid}`,
+      onResponse(response: any) {
+        const items = [];
+        for (const item of response.data) {
+          items.push({
+            title: htmlEscape(item.repository.full_name.split('/')[1]),
+            description: htmlEscape(item.repository.full_name),
+          });
+        }
+        return {results: items};
+      },
+    },
+    searchFields: ['full_name'],
+    showNoResults: false,
+  });
+}