Reapply "fix(boards): 修复xpython下换行符自动添加 \"

This reverts commit 3d83369d78.

boards/default_src/python/generators/text.js

@@ -3,7 +3,8 @@ import * as Blockly from 'blockly/core';
 export const text = function (_, generator) {
     // Text value.
     //var code = 'String('+generator.quote_(this.getFieldValue('TEXT'))+')';
-    var code = generator.quote_(this.getFieldValue('TEXT'));
+    // var code = generator.quote_(this.getFieldValue('TEXT'));
+    var code = `"${this.getFieldValue('TEXT')}"`;
     return [code, generator.ORDER_ATOMIC];
 }