Dashboard / kanban

[RealBirdMan91]

• [x] Fix style of all the input: dashboard header, column edit title (remove focus outline, and gray outline)
• [x] header: show cursor on the view switching component
• [x] trim column title input value so space is not accepted, also trancate (trim) the title when it's too long
• [x] hide search bar when in the kanban board view
• [ ] fix the position of [+] button (if possible) without messing up the column width