【综合】退出电子签名时，取消form模式

PDF Office/PDF Master/Class/PDFWindowController/ViewController/KMMainViewController+UI.swift

@@ -344,6 +344,10 @@ extension KMMainViewController: KMToolbarControllerDelegate {
             let type = CAnnotationType(rawValue: item.tag) ?? CAnnotationType.unkown
             if type == .signature {
                 self.toolbarController.findItem(KMToolbarToolSignBoxIdentifier)?.isSelected = false
+                
+                if self.listView.toolMode == .formToolMode {
+                    self.listView.toolMode = .noteToolMode
+                }
             }
             self.listView.annotationType = .unkown
             self.closeRightPane()