update dojox 1.9 to the latest dojox/app from dojo19 branch.
Undo removal of dojox.encoding.digests object. Fixes #17373
(cherry picked from commit 3f7f0105e3fb57440b2f5789f4cd598e66b24b49)
Fixed issue where pressing space on a ToggleSplitter would cause the page to scroll in IE. Fixes #17384.
(cherry picked from commit c11c184e088ed0ba918fa074ed4b2043a529d3d7)
fixes #17380 Use baseClass of widgets instead of data-dojo-type which is not relevant for forms created programmatically
update calendar project
Updating source version to 1.9.2-pre
dojox/mobile/_StoreMixin badly maintains its promise observation handle, fixes #17407

(cherry picked from commit 663178d0583302612922bf7e52b30e651e8a70ba)
fixes #17363 dojox/mvc _startAtWatchHandles called twice. Thanks to Adrian Rakovsky CLA.

(cherry picked from commit f6cc3c968e34bd3b90c7b7579faaa3eedd8e381f)