Fix regex for parsing records

Now accepts records with these features:
- no quotes around the record name
- no whitespace between record() and { ... }

Also adds raise of RecordError if the record does not parse.

src/pvi/_convert/_template_convert.py

@@ -88,8 +88,11 @@ def _parse_record(self, record_str: str) -> Tuple:
         #    info(autosaveFields, "VAL")
 
         # https://regex101.com/r/MZz1oa
-        record_parser = re.compile(r'record\((\w+),\s*"([^"]+)"\)\s{([^}]*)}')
-        return re.findall(record_parser, record_str)[0]
+        record_parser = re.compile(r'record\((\w+),\s*"?([^"]+)"?\)\s*{([^}]*)}')
+        matches = re.findall(record_parser, record_str)
+        if len(matches) != 1:
+            raise RecordError(f"Parse failed on record: {record_str}")
+        return matches[0]
 
     def _extract_fields(self, fields_str: str) -> List[Tuple[str, str]]:
         # extract two groups from a field e.g.