TimePicker: make pickerMax closer to midnight in case clickableIncrement < 15 min.
Refs #18200.
Number format patterns do not have locale-specific decimal separators.
This was causing issues in locales where the decimal separator is not a period.

Fixes #18260, refs #17955.
Fix new test_Select.html?mode=test failures (on FF) after isArray() fixes.
Refs #17217, refs #18251.
Convert Select in Dialog tests to robot tests.
Fixes/workaround Select test failure on FF, fixes #18264, refs #11143.