fix:Right arrow key navigation after auto-closing brackets

[Nishthajain7]

Issue:

Fixes #4087

Changes:

Disabled selectOnOpen on autocomplete options. Previously, the first suggestion is already selected as the popup appears.

Now, the user can press right arrow key to move the cursor past the closing bracket ")". Press down arrow key to move into the autocomplete suggestion list .

I have verified that this pull request:

• has no linting errors (npm run lint)
• has no test errors (npm run test)
• has no typecheck errors (npm run typecheck)
• is from a uniquely-named feature branch and is up to date with the develop branch.
• is descriptively named and links to an issue number, i.e. Fixes #123
• meets the standards outlined in the accessibility guidelines