【BOTA】缩略图，点击后成为第一响应者优化

PDF Office/PDF Master/Class/PDFWindowController/Side/LeftSide/Thumbnail/KMThumbnailViewController.swift

@@ -196,7 +196,7 @@ class KMThumbnailViewController: KMBaseViewController {
     }
     
     private func km_resignFirstResponder() {
-        self.view.window?.makeFirstResponder(self.listView)
+        NSApp.mainWindow?.makeFirstResponder(self)
     }
     
     //MARK: Noti
@@ -753,7 +753,7 @@ extension KMThumbnailViewController : KMThumbnailViewDelegate {
         guard let event = object as? NSEvent else {
             return
         }
-        NSApp.mainWindow?.makeFirstResponder(self)
+        self.km_resignFirstResponder()
         //是本地触发事件
         self.isLocalEvent = true