igDatePicker input does not lose focus when drop down is expanded and suppressKeyboard option is enabled

[PlamenaMiteva]

Description

igDatePicker input does not lose focus when calendar is expanded and suppressKeyboard option is enabled. This bug is introduced with the latest jQuery version (3.4.1)
igDatePickerTest.zip

• jQuery - v3.4.1
• ignite-ui version: 19.1
• browser: All

Steps to reproduce

1. Run the attached sample
2. Expand departure date picker

Result

The input is focused.

Expected result

The input should not be focused.

[kdinev]

Moving to severity: high as this affects the CI.