Merge individual changes to public/src/modules/settings.js from project 1

[annashiheart]

Merging individual changes from Project 1 into team repository.
Reduced the cognitive complexity of the fillFields function in public/src/modules/settings.js by creating a helper function updateValues that updates all the values in the input fields of the form.

UI Test

1. Log into admin
2. Navigate to settings page under admin
3. Type something in the form input fields
4. Save changes

[evelynnchen-cmu]

@annashiheart To resolve merge conflicts, please delete dump.rdb. Everything else looks good to me.

[coveralls]

Pull Request Test Coverage Report for Build 10981641683

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.005%) to 82.685%

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Totals
Change from base Build 10975470003:	0.005%
Covered Lines:	22331
Relevant Lines:	25587

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💛 - Coveralls