【fix】【编辑】添加文字水印，在输入状态时没有输入光标

PDF Office/PDF Master/Class/PDFTools/Watermark/New/View/KMWatermarkView.swift

@@ -265,6 +265,7 @@ class KMWatermarkView: KMBaseXibView, NSTextFieldDelegate, NSComboBoxDelegate, N
         fontSizeCombobox.formatter = TextFieldFormatter()
         
         watermarkStringTextView.delegate = self
+        self.watermarkStringTextView.insertionPointColor = .labelColor
         
         pageRangeComboBox.removeAllItems()
         pageRangeComboBox.addItems(withObjectValues: [