[clang] [clang-format] Do not break on JS fields like on goto labels (PR #76233)

[Owen Pan via cfe-commits]

owenca wrote:

> This regressions was introduced in [70d7ea0](https://github.com/llvm/llvm-project/commit/70d7ea0cebcf363cd0ddcfb76375fb5fada87dd5). The commit moved some code and correctly picked up an explicit check for not running on Verilog. However, the moved code also never ran for JavaScript and after the commit we run it there and this causes the wrong formatting of:
> 
> ```js
> export type Params = Config&{
>   columns: Column[];
> };
> ```
> 
> into
> 
> ```js
> export type Params = Config&{
> columns:
>   Column[];
> };
> ```

Thanks for fixing this! I somehow missed this [part](https://github.com/llvm/llvm-project/commit/70d7ea0cebcf363cd0ddcfb76375fb5fada87dd5#diff-693c925375cc130d98d8edc63c7dcc509e0659c460452d361f466f367e508e1aL1931-L1934). :(

https://github.com/llvm/llvm-project/pull/76233