Setfields command doesn't parse additional setfieldsParameters

[51-code]

Describe the bug

There is a test case like this:
| setfields test="testtestest", fuu="fuu byr"
it doesn't parse the part after the comma and it gives an error:

line 46:32 mismatched input 'fuu' expecting {PIPE, COMMA}

When looking at the parse tree made from this query, it can be seen that the comma in between two setfieldsParameters is included in the "testtesttest", string. For adding multiple setfieldsParameters, the grammar requires a comma in between, which now there isn't. The parsing is stopped, and only one setFieldsParameter is therefore parsed.

Expected behavior

Should parse multiple setFieldsParameters.

How to reproduce

Test the query above.

Screenshots

Software version

6.1.0

Desktop (please complete the following information if relevant):

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Additional context

Comma isn't an allowed character in a String in setfields, so it is weird that it is parsed as a part of the StringType. More investigation needed for finding the exact culprit of the issue.

setfieldsSyntaxParseTest in SetfieldsSyntaxTests.java has been disabled because of this issue in PR #52.