fix(modern-module): concatenate entry module regardless bail reasons

[fi3ework]

Summary

If the root module is empty, it will store all bailout reasons of current config

rspack/crates/rspack_plugin_javascript/src/plugin/module_concatenation_plugin.rs

Line 982 in ddd7eb9

optimization_bailouts.push(self.format_bailout_warning(warning.0, &warning.1));

Previously, this will make root module won't be force concatenated (see new added test case g)

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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