Report page summary is empty when single organism in property file

In `webconfig-model.xml`, If `showInSummary=true` for `organism.name`, and the mine only has a single organism, the report page summary becomes empty. Likely because the case of organisms being a single value instead of an array is not handled.

Start with webconfig-model.xml and trace how the report page summary handles organism.name when showInSummary=true. Reproduce the case with a mine containing one organism, then verify that the summary is populated for both a single value and an array of values.

Written by the indexing model from the issue text.