reexecute KCL code when reloading due to external file modification (#7293)

Co-authored-by: Lucas Kent <rubickent@gmail.com>

src/components/FileTree.tsx

@@ -245,6 +245,7 @@ const FileTreeItem = ({
         let code = await window.electron.readFile(path, { encoding: 'utf-8' })
         code = normalizeLineEndings(code)
         codeManager.updateCodeStateEditor(code)
+        await kclManager.executeCode()
       } else if (isImportedInCurrentFile && eventType === 'change') {
         await kclManager.executeAst()
       }