Add export to cmd bar (#1593)

* Add new exportFile icon

* Isolate exportFromEngine command

* Naive initial export command

* Update types to accept functions for arg defaultValue, required, and options

* Make existing helper functions and configs work with new types

* Make UI components work with new types
support resolving function values and conditional logic

* Add full export command to command bar

* Replace ExportButton with thin wrapper on cmd bar command

* fmt

* Fix stale tests and bugs found by good tests

* fmt

* Update src/components/CommandBar/CommandArgOptionInput.tsx

* Update snapshot tests and onboarding wording

* Move the panel open click into doExport

* Don't need to input storage step in export tests anymore

* Remove console logs, fmt, select options if we need to

* Increase test timeout

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Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

src/components/CommandBar/CommandBarReview.tsx

@@ -48,7 +48,8 @@ function CommandBarReview({ stepBack }: { stepBack: () => void }) {
     if (!arg) return
   })
 
-  function submitCommand() {
+  function submitCommand(e: React.FormEvent<HTMLFormElement>) {
+    e.preventDefault()
     commandBarSend({
       type: 'Submit command',
       data: argumentsToSubmit,