classic-ui: fix timepicker is resetting time in input field #5239

Timepicker got updated to version 1.4.3. Time doesn't get reseted anymore.

refs: #5239
whattehcommit: This is the last time we let Qi commit ascii porn in the comments.
Merge branch 'fix/timepicker-is-resetting-time-in-input-field-5239' into next

fixes: #5239