Refresh current path in filemanager after file operation

This behavior is more consistent when e.g. a file is moved to ".."

frontend/apps/filemanager/filemanager.lua

@@ -92,7 +92,7 @@ function FileManager:init()
 						enabled = fileManager.clipboard and true or false,
 						callback = function()
 							pasteHere(file)
-							self:changeToPath(util.realpath(file):match("(.*/)"))
+							self:refreshPath()
 							UIManager:close(self.file_dialog)
 						end,
 					},
@@ -110,7 +110,7 @@ function FileManager:init()
 						callback = function()
 							local path = util.realpath(file)
 							deleteFile(file)
-							self:changeToPath(path:match("(.*/)"))
+							self:refreshPath()
 							UIManager:close(self.file_dialog)
 						end,
 					},

frontend/ui/widget/filechooser.lua

@@ -63,7 +63,11 @@ end
 function FileChooser:changeToPath(path)
 	path = util.realpath(path)
 	self.path = path
-	self:swithItemTable(nil, self:genItemTableFromPath(path))
+	self:refreshPath()
+end
+
+function FileChooser:refreshPath()
+	self:swithItemTable(nil, self:genItemTableFromPath(self.path))
 end
 
 function FileChooser:toggleHiddenFiles()