Height of rows can be increased for richer media and content support

Use case: display rich media such as images to summarize a specific cell or specimen.

Source: https://twitter.com/alleninstitute/status/1420160606993219586?s=21

Acceptance Criteria:

- The user can click the row height button and toggle between two heights:
1. the default height that supports a single line of text (thus slightly larger than the font height)
2. a larger row height (at least 6 lines of text, to experiment) that will allow better visualization of image previews
- When toggling one or the other, the number of results per page does not change, but a scrollbar might appear if the rows extend over the available vertical space, or disappear if the rows take less than the available vertical space.
- The selected row height is saved for the user.

No file or test is named in the issue. Start by locating the row height button and the results table, then verify the two height states, unchanged results-per-page count, scrollbar behavior, and persistence of the selected height.

Written by the indexing model from the issue text.