servo: Merge #13361 - Report tidy error for space after ( (from Mylainos:issue-13350); r=Wafflespeanut

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Add report in tidy for code which have a space after the `(` like `some_function( argument)`

---
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- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix #13350 (github issue number if applicable).

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- [X] There are tests for these changes OR
- [ ] These changes do not require tests because _____

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Source-Repo: https://github.com/servo/servo
Source-Revision: 2ba804e6db52637fbe23fbecfd0e65b4db1a49e2

servo/python/tidy/servo_tidy/tidy.py

@@ -483,6 +483,7 @@ def check_rust(file_name, lines):
             (r"\{[A-Za-z0-9_]+\};", "use statement contains braces for single import",
                 lambda match, line: line.startswith('use ')),
             (r"^\s*else {", "else braces should be on the same line", no_filter),
+            (r"[^$ ]\([ \t]", "extra space after (", no_filter),
         ]
 
         for pattern, message, filter_func in regex_rules: