Change `clip-holder` to `clipboard` #220

src/PicView.Core/Config/Languages/en.json

@@ -246,7 +246,7 @@
   "OutputFolder": "Output folder",
   "Pan": "Pan",
   "PasswordArchive": "Password protected archive not supported",
-  "PasteImageFromClipholder": "Paste image from clip-holder",
+  "PasteImageFromClipholder": "Paste image from clipboard",
   "PencilSketch": "Pencil Sketch",
   "PercentComplete": "% complete...",
   "Percentage": "Percentage",