style(richedit): 居中表格单元格内容

在表格单元格样式中添加 justify-content: center 以实现内容水平居中

src/views/pages/richedit/all.vue

@@ -1152,6 +1152,7 @@ onMounted(async () => {
 :deep(.el-table td.el-table__cell div) {
 	display: flex;
 	align-items: center;
+	justify-content: center;
 }
 
 .record_btn {

src/views/pages/richedit/index.vue

@@ -1381,6 +1381,7 @@ onMounted(async () => {
 :deep(.el-table td.el-table__cell div) {
 	display: flex;
 	align-items: center;
+	justify-content: center;
 }
 
 .el-button + .el-button {