fix: 修复垂直对齐功能在跨页复制粘贴中的丢失问题

src/controllers/handler.js

@@ -5486,6 +5486,7 @@ export default function luckysheetHandler() {
                             let fc = $td.css("color");
                             cell.fc = fc;
 
+                            // 水平对齐属性
                             let ht = $td.css("text-align");
                             if (ht == "center") {
                                 cell.ht = 0;
@@ -5497,6 +5498,7 @@ export default function luckysheetHandler() {
                                 cell.ht = 1;
                             }
 
+                            // 垂直对齐属性
                             let vt = $td.css("vertical-align");
                             if (vt == "middle") {
                                 cell.vt = 0;

src/controllers/menuButton.js

@@ -4542,10 +4542,13 @@ const menuButton = {
 
             if(key == "vt" && value != "1"){
                 if(value == "0"){
-                    style += "align-items: center;";
+                    style += "vertical-align: middle;";
+                }
+                else if(value == "1"){
+                    style += 'vertical-align: top;';
                 }
                 else if(value == "2"){
-                    style += "align-items: flex-end;";
+                    style += "vertical-align: bottom;";
                 }
             }