File extensions should be condensed in a few more contexts

**What got flagged?**

> [OllamaSharp for .NET]

Here a space on the left and closing square bracket on the right.

Here a space on the left and closing parenthesis on the right.

No file or test is named. Start by reproducing the two examples shown, including file extensions before a closing square bracket and closing parenthesis; done means those extensions are condensed in both contexts without changing the existing behavior elsewhere.

Written by the indexing model from the issue text.