Git commits in Moodle 3.10.x by hiendinh

commit 8b70552460e573cf10a80f59807e9d8877ab0084
Author: hiendinh <hdpv2@open.ac.uk>
Date:   Mon, 31 May 2021 18:48:15 +0800
Tag:    v3.10.5

MDL-71813 filepicker: view file not available using keyboard (Enter)

commit 813c3853205378155de034a72df65e4f1cf06f82
Author: hiendinh <hdpv2@open.ac.uk>
Date:   Thu, 11 Jun 2020 16:25:25 +0800
Tag:    v3.10.0-beta

MDL-68841 Modal dialogs: Wrong behavior of popup

commit de6b084925591afbf8d1d714290830882a50201d
Author: hiendinh <hdpv2@open.ac.uk>
Date:   Tue, 02 Jun 2020 15:07:03 +0800
Tag:    v3.10.0-beta

MDL-68890 progressbar: prevent display exist file's progress bar