Add edit flow for named constants / parameters (#5911)

* Add support for forcing kcl input create variable

* Command palette padding tweak

* Make traverse function work for ExpressionStatements

* Add utilities for getting earliest safe index in AST

* Fix the insertIndex logic to not be based on the selection anymore

* Add workflow to create a named constant

* Fix bug with nameEndInDigits matcher

* Tweak command config

* Add a three-dot menu to feature tree pane to create parameters

* Add E2E test for create parameter flow

* Remove edit flow oops

* Fix tsc error

* Fix E2E test

* Update named constant position in edit flow test

* Add tags into consideration for safe insert index

Per @Irev-dev's helpful feedback, with unit tests!

* Fix tsc by removing a generic type

* Remove unused imports

* Fix lints

* A snapshot a day keeps the bugs away! 📷🐛

* Add utilities for working with variable declarations

* Add "edit parameter" user flow

* Add edit flow config

* WIP working on de-bloating useCalculateKclExpreesion

* Add the ability to specify a `displayName` for an arg

* Add utility to type check on SourceRanges

* Review step design tweak fixes

* Refactor useCalculateKclExpression to take a sourceRange

* Make option arg validation work for objects and arrays

Using an admittedly dumb stringification approach

* Make edit flow never move the constant to be edited

* Add E2E test section

* Fix lints

* Remove lying comment, tiny CSS tweak

* A snapshot a day keeps the bugs away! 📷🐛

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/components/CommandBar/CommandBarHeader.tsx

@@ -130,7 +130,7 @@ function CommandBarHeader({ children }: React.PropsWithChildren<{}>) {
                       data-test-name="arg-name"
                       className="capitalize"
                     >
-                      {argName}
+                      {arg.displayName || argName}
                     </span>
                     <span className="sr-only">:&nbsp;</span>
                     <span data-testid="header-arg-value">