Implodes toolbar Help icon should not be right aligned next to the Stop button

[garycmartin]

The toolbar Help icon for Implode should not be right aligned next to the Stop button, The stop icon should be, where possible, alone on the right side of the toolbar, with the rest of the Activity specific icons aligned to the left. Proposal; move the Help icon to be the last one before the Stop icon, but keep it left aligned with the rest.

Note Implode is currently using the wrong icon for help (black icon with whit symbol). It should be using the white icon with cutout ? symbol (see the one Turtle Art is using).

[godiard]

Fixed in v15