TF-4152 Fix tooltip stay out of screen in Email View

core/lib/utils/html/html_interaction.dart

@@ -419,4 +419,39 @@ class HtmlInteraction {
       });
     </script>
   ''';
+
+  static String scriptsHandleIframeLinkHoverListener(String viewId) => '''
+    <script type="text/javascript">
+      document.addEventListener("mouseover", function (e) {
+        const target = e.target;
+        if (target.tagName.toLowerCase() === "a") {
+          const rect = target.getBoundingClientRect();
+          
+          const payload = {
+            view: '$viewId',
+            type: 'toDart: iframeLinkHover',
+            url: target.href,
+            rect: {
+              x: rect.x,
+              y: rect.y,
+              width: rect.width,
+              height: rect.height
+            }
+          };
+          window.parent.postMessage(JSON.stringify(payload), "*");
+        }
+      });
+    
+      document.addEventListener("mouseout", function (e) {
+        const target = e.target;
+        if (target.tagName.toLowerCase() === "a") {
+          const payload = {
+            view: '$viewId',
+            type: 'toDart: iframeLinkOut'
+          };
+          window.parent.postMessage(JSON.stringify(payload), "*");
+        }
+      });
+    </script>
+  ''';
 }

core/lib/utils/html/html_template.dart

@@ -2,27 +2,6 @@
 import 'package:flutter/material.dart';
 
 class HtmlTemplate {
-  static const String nameClassToolTip = 'tmail-tooltip';
-  static const String tooltipLinkCss = '''
-    .$nameClassToolTip .tooltiptext {
-      visibility: hidden;
-      max-width: 400px;
-      background-color: black;
-      color: #fff;
-      text-align: center;
-      border-radius: 6px;
-      padding: 5px 8px 5px 8px;
-      white-space: nowrap; 
-      overflow: hidden;
-      text-overflow: ellipsis;
-      position: absolute;
-      z-index: 1;
-    }
-    .$nameClassToolTip:hover .tooltiptext {
-      visibility: visible;
-    }
-  ''';
-
   static const String printDocumentCssStyle = '''
     <style> 
       $fontFaceStyle