fix: Preserve lock data in file info modelbtain

When we obtain the model trough getModelForFile which reads the
properties from the table row element, which does not preserve already
fetched lock information otherwise.

Signed-off-by: Julius Härtl <jus@bitgrid.net>

js/files.js

@@ -43,6 +43,18 @@
 				return data
 			})
 
+			var oldElementToFile = fileList.elementToFile
+			fileList.elementToFile = function($el) {
+				var fileData = oldElementToFile.apply(this, arguments)
+				fileData.locked = $el.data('locked')
+				fileData.lockOwnerType = $el.data('lock-owner-type')
+				fileData.lockOwnerEditor = $el.data('lock-owner-editor')
+				fileData.lockOwner = $el.data('lock-owner')
+				fileData.lockOwnerDisplayname = $el.data('lock-owner-displayname')
+				fileData.lockTime = $el.data('lock-time')
+				return fileData
+			}
+
 			var oldCreateRow = fileList._createRow
 			fileList._createRow = function(fileData) {
 				var $tr = oldCreateRow.apply(this, arguments)