feat(easy-admin): update window open URL for new tab button

- Change the URL for the "New tab open" button to use the iframe's content URL
- Add fallback to current window URL if iframe content URL cannot be accessed
- Improve user experience by opening the correct URL in a new tab

Signed-off-by: wolfcode <37436228+wolf-leo@users.noreply.github.com>

public/static/plugs/easy-admin/easy-admin.js

@@ -1000,9 +1000,17 @@ define(["jquery", "tableSelect"], function ($, tableSelect) {
                 },
                 success: function (layero, index) {
                     if (window.CONFIG.IFRAME_OPEN_TOP == '1') {
+                        let iframeUrl = ``
+                        try {
+                            let iframeId = $('iframe:eq(0)').attr('id')
+                            let iframe = document.getElementById(iframeId)
+                            iframeUrl = iframe.contentWindow.location.href
+                        } catch (e) {
+                            iframeUrl = location.href
+                        }
                         let _winTopBtn = `
                             <span class="_winTopBtn layui-btn layui-btn-primary layui-btn-xs" 
-                            style="position: absolute;top: 14px;right: 120px;color: #fff;border-color: #fff;" onclick="window.open(location.href)">
+                            style="position: absolute;top: 14px;right: 120px;color: #fff;border-color: #fff;" onclick="window.open('${iframeUrl}')">
                             新标签页打开
                             </span>`
                         $('.layui-layer-iframe').append(_winTopBtn)