fix(float): repair VIP rail entry front and admin

Always open VIP modal for float pay_vip, drop forced admin link,
normalize gem icon, harden pay-vip click binding and SPA form UX.

src/AKSRT/Admin/GlobalControllerPart1.php

@@ -241,6 +241,20 @@ trait GlobalControllerPart1 {
             $icon_dark = '';
             $icon_light = '';
         }
+        // VIP float always uses modal path; drop stale link/hover and normalize icons.
+        $link = esc_url_raw($item['link'] ?? '');
+        $hover = wp_kses_post($item['hover'] ?? '');
+        if ($type === 'pay_vip') {
+            $link = '';
+            $hover = '';
+            if ($icon === '' || str_contains($icon, 'fa-diamond') || $icon === 'fa fa-diamond') {
+                $icon = 'fas fa-gem';
+            }
+            // Ensure FA5 prefix when bare fa-* is stored.
+            if ($icon !== '' && !preg_match('/\b(fas|far|fab|fal|fad)\b/', $icon)) {
+                $icon = 'fas ' . ltrim(preg_replace('/^fa\s+/', '', $icon) ?? $icon);
+            }
+        }
 
         return [
             'id'          => sanitize_text_field($item['id'] ?? uniqid('float_')),
@@ -254,9 +268,9 @@ trait GlobalControllerPart1 {
             'qq'          => $qq,
             'qrcode_img'  => esc_url_raw($item['qrcode_img'] ?? ''),
             'wechat_img'  => esc_url_raw($item['wechat_img'] ?? ''),
-            'link'        => esc_url_raw($item['link'] ?? ''),
+            'link'        => $link,
             'add_items'   => $add_items,
-            'hover'       => wp_kses_post($item['hover'] ?? ''),
+            'hover'       => $hover,
             'qr_size'     => $qr_size,
             'hover_width' => $hover_width,
             'pc_s'        => !empty($item['pc_s']),