Replace number command bar arg input type with kcl expression input (#1474)

* Rename useCalc

* Move CommandBar so it has access to settings and kcl

* Create codemirror variable mention extension

* Make project path a dep of TextEditor useMemo

* Add incomplete KCL input for CommandBar
to replace current number arg type

* Add previous variables autocompletion to kcl input

* Fix missed typos from merge

* Working AST mods, not working variable additions

* Add ability to create a new variable

* Add icon and tooltip to command arg tag if a variable is added

* Polish variable naming logic, preserve when going back

* Allow stepping back from KCL input

* Don't prevent keydown of enter, it's used by autocomplete

* Round the variable value in cmd bar header

* Add Playwright test

* Formatting, polish TS types

* More type wrangling

* Needed to fmt after above type wrangling

* Update snapshot tests to account for new variable name autogeneration

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Merge branch 'main' into cmd-bar-make-variable

* Update all test instances of var name with number index after merge with main

* Partial revert of "Polish variable naming logic, preserve when going back"

This reverts commit dddcb13c36.

* Revert "Update all test instances of var name with number index after merge with main"

This reverts commit 8c4b63b523.

* Revert "Update snapshot tests to account for new variable name autogeneration"

This reverts commit 11bfce3832.

* Retry a refactoring of findUniqueName

* minor feedback from @jgomez720
- better highlighting of kcl input
- consistent hotkeys
- disallow invalid var names

* Polish stepping back state logic

* Fix tests now that keyboard shortcut changed

* Remove unused imports

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* Fix tests

* Trigger CI

* Update src/components/ProjectSidebarMenu.test.tsx

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* re-trigger CI

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Kurt Hutten <k.hutten@protonmail.ch>

src/lib/usePreviousVariables.ts

@@ -0,0 +1,30 @@
+import { useModelingContext } from 'hooks/useModelingContext'
+import { kclManager, useKclContext } from 'lang/KclSingleton'
+import { findAllPreviousVariables } from 'lang/queryAst'
+import { useEffect, useState } from 'react'
+
+export function usePreviousVariables() {
+  const { programMemory, code } = useKclContext()
+  const { context } = useModelingContext()
+  const selectionRange = context.selectionRanges.codeBasedSelections[0]
+    ?.range || [code.length, code.length]
+  const [previousVariablesInfo, setPreviousVariablesInfo] = useState<
+    ReturnType<typeof findAllPreviousVariables>
+  >({
+    variables: [],
+    insertIndex: 0,
+    bodyPath: [],
+  })
+
+  useEffect(() => {
+    if (!programMemory || !selectionRange) return
+    const varInfo = findAllPreviousVariables(
+      kclManager.ast,
+      kclManager.programMemory,
+      selectionRange
+    )
+    setPreviousVariablesInfo(varInfo)
+  }, [kclManager.ast, kclManager.programMemory, selectionRange])
+
+  return previousVariablesInfo
+}