Add non-activated line selector (pseudo / semi select lines which are activated with enter or mouse click)

[bhajneet]

Recreate:

• Pick a longer shabad
• Choose last line (one that requires scrolling viewport of navigator down)
• Hide controller
• Escape
• Unhide controller via ctrl+h, ctrl+enter, or ctrl+c
• Line is lost, no indication of where it was in the shabad or the lines that are around it