Fixed select menu placeholder text-color

• Improved lists with leave-behinds
• Made text in buttons and inputs align better, especially in IE
• Made dark mode more readable
• Removed workPicker
• Various other small fixes

Polishing of pickers, buttons, inputs and selects.

Fix working-hours-picker issue

• More button, select and input polishing.
• Removal of unused stuff from workinghourspicker.js

Fixes for inputs, selects and buttons.

• Inputs, selects and buttons have been made more Ant-like.
• More work have been done on the wfm date range picker(refactor and add pop-up mode)

Updated package-lock.json

Fixed low check mark. Again.

Fixed a check mark being to low in its check box