Added visualization missing from gallery

[jpmccu]

I added a visualization using https://materialsmine.org/wi/about?view=new&uri=http://semanticscience.org/resource/Chart but it isn't in the gallery. Not sure if this is an issue with the Nanomine viz gallery or something else, but it's a major problem.

It's available at:

https://materialsmine.org/wi/about?uri=http://nanomine.org/viz/77a5fa51556d064b

But does not appear in the gallery.

[mdeagen]

We discussed this briefly a couple weeks ago, but following up:

New charts by default are hidden upon submission, pending someone with admin privileges enabling the chart.

If we stick with the moderation/review process, we may consider displaying a message to the user that the chart is pending review and will be available once enabled.