Restore UA sniffs for editor bugs that still exist in IE11

Fixes #18240.
fix MIDs from dijit to dojo, fixes #18363
Patch getDecimalInfo to support the range form of the places constraint.
Fixes #18367.
Added initial functional intern tests.
Converted all menu_mouse.html doh tests to intern
Fix for #18262 updated Tundra theme to act like Claro, and
other themes.  A right click followed by an immediate left
click no longer causes the first menu item to fire.
Add test for #18262 - A left click followed by a right click
no should not cause the first menu item to fire.