chatviewfooter: fix url decoding for files

we wait a string, not a percent-encoding url. This break file
transfer if it contains a percent in the name.

Change-Id: I842dd5d64e1d43594f48597f3283cd37fab7e0d8
GitLab: #171

src/app/mainview/components/ChatViewFooter.qml

@@ -35,7 +35,7 @@ Rectangle {
 
     function setFilePathsToSend(filePaths) {
         for (var index = 0; index < filePaths.length; ++index) {
-            var path = UtilsAdapter.getAbsPath(filePaths[index])
+            var path = UtilsAdapter.getAbsPath(decodeURIComponent(filePaths[index]))
             dataTransferSendContainer.filesToSendListModel.addToPending(path)
         }
     }