iOS - Fix some analytics errors

Description

1.
parameter names:
courseSection -> course_section
courseSubsection -> course_subsection

2.
The BI values for "Set a profile picture" and "Viewed a profile" are incorrect and need to be swapped.

Steps to Reproduce

None

Reason for Variance

None

Release Notes

None

Assignee

Christopher Lee

Reporter

Christopher Lee

Customer

None

URL

None

Groups with Read-Only Access

None

Actual Points

None

Reach

None

Impact

None

Open edX Discourse Thread

None

Platform Map Area (Levels 1 & 2)

None

Platform Map Area (Levels 3 & 4)

None

Contributor Name

None

Blended Project Status Page

None

Story Points

0.5

Epic Link

Sprint

None

Priority

Unset
Configure