feat(bundler): CommandExt::output_ok returns more error info

[liigo]

Fixes #12148

before this PR:

    Running candle for "main.wxs"
    Error failed to bundle project:
    - error running candle.exe
    - `failed to run C:\Users\liigo\AppData\Local\tauri\WixTools314\candle.exe`

after this PR:

    Running candle for "main.wxs"
    Error failed to bundle project:
    - error running candle.exe
    - `failed to run C:\Users\liigo\AppData\Local\tauri\WixTools314\candle.exe. Status: exit code: 6, Stdout: Windows Installer XML Toolset Compiler version 3.14.1.8722
Copyright (c) .NET Foundation and contributors. All rights reserved.

main.wxs
E:\tmp\RUST_DIR\CARGO_TARGET_DIR\release\wix\x64\main.wxs(15) : error CNDL0006 : The Product/@Manufacturer attribute's value cannot be an empty string. If a value is not required, simply remove the entire attribute.
, Stderr: `

[FabianLars]

Closing because of #12148 (comment) - thanks for contributing nonetheless!!