Updating source version to 1.7.6-pre
Fix a queryOptions problem that occurs when a FilteringSelect loses focus and does a store lookup.
Fixes #17434, refs #12373.
(cherry picked from commit 2253d0eb61e178fce92d4b9bb68aaad7ad3cade3)
Do not fire watchers when setting existing NaN value to NaN

Fixes #17513.
(cherry picked from commit 531b8f46acc8acba87d55a0338649bfc30ae58c9)

Conflicts:
	_WidgetBase.js
	tests/_Widget-attr.html
Do not copy properties indiscriminately from `constraints`

Fixes #17250.

(cherry picked from commit 492fbe3cbfff2987c7b29fb7b5232f4c9ee7566a)

Conflicts:
	_TimePicker.js
	tests/_TimePicker.html
Fix dijit Editor in cross-domain pages with document.domain set

Fixes #17529.

(cherry picked from commit 31b55d02d4fc888c420396b00b9ae4282cd4e4c2)

Conflicts:
	_editor/RichText.js