Resolve "Rename settings panel "close" action to "collapse" to avoid confusion"

What does this MR do?

Renames "close" to "collapse" where appropriate.

Screenshots (if relevant)

before after
Screen_Shot_2017-06-08_at_2.21.55_PM Screen_Shot_2017-06-08_at_2.29.25_PM

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

#30378 (closed)
closes #33489 (closed)

Edited by Mike Greiling

Merge request reports