DEC-16252 fix : bi.editor水印的间距与sign_editor,shilter_editro 等其他editor的text一致

src/base/single/editor/editor.js

@@ -191,6 +191,7 @@ BI.Editor = BI.inherit(BI.Single, {
                 cls: "bi-water-mark",
                 text: this.options.watermark,
                 height: o.height - 2 * o.vgap - o.tgap,
+                hgap: o.hgap - 2,
                 whiteSpace: "nowrap",
                 textAlign: "left"
             });
@@ -251,8 +252,8 @@ BI.Editor = BI.inherit(BI.Single, {
                 element: this.contentWrapper,
                 items: [{
                     el: this.watermark,
-                    left: this.options.hgap,
+                    left: 0,
-                    right: this.options.hgap,
+                    right: 0,
                     top: 0,
                     bottom: 0,
                 }],