BI-86802 fix: 鼠标样式 && 报错

src/base/single/editor/editor.textarea.js

@@ -87,7 +87,7 @@ BI.TextAreaEditor = BI.inherit(BI.Single, {
                 if (!this.watermark) {
                     this.watermark = BI.createWidget({
                         type: "bi.label",
-                        cls: "bi-water-mark cursor-default textarea-watermark",
+                        cls: "bi-water-mark cursor-text textarea-watermark",
                         textAlign: "left",
                         whiteSpace: "normal",
                         text: o.watermark,
@@ -99,9 +99,9 @@ BI.TextAreaEditor = BI.inherit(BI.Single, {
                     this.watermark.element.bind({
                         mousedown: function (e) {
                             if (self.isEnabled()) {
-                                self.editor.focus();
+                                self.focus();
                             } else {
-                                self.editor.blur();
+                                self.blur();
                             }
                             e.stopEvent();
                         }

src/less/core/utils/cursor.less

@@ -8,4 +8,9 @@
 .cursor-move{
   cursor: move;
 }
+
+.cursor-text{
+  cursor: text;
+}
+
 /*****************cursor*****************/