Make ORDER a context-aware keyword

[Copilot]

ORDER was a reserved keyword in all contexts, preventing its use as table names, column names, or JSON properties. This follows the same pattern as PR #2203 for VALUE/VALUES keywords.

Changes

• Grammar (src/alasqlparser.jison): Added ORDER to NonReserved rule and nonReserved array
• Tests (test/test2223.js): 8 test cases covering table names, column names, JSON properties, and ORDER BY preservation

Example

// Now works - ORDER as table and column name
CREATE TABLE order (id INT, order INT, status STRING)
SELECT * FROM order ORDER BY order DESC

// Now works - ORDER in JSON properties  
CREATE INDEX idx ON products(data->order)

// Still works - ORDER BY clause unchanged
SELECT * FROM products ORDER BY price ASC

The parser's error recovery mechanism (| error NonReserved in Literal rule) handles context-aware behavior automatically - ORDER remains reserved for ORDER BY syntax but accepts it as an identifier elsewhere.

Original prompt

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This section details on the original issue you should resolve

<issue_title>Limit the impact of using the keyword: ORDER</issue_title>
<issue_description>Limit the impact of using the keyword: ORDER

Just like in #2203 we want to limit the impact of having keywords. Preferably by making them keywords only in the context needed so the string/word can be used for things like table names and column names i the data - if possible. It might be too much of a hassle to make the impact less, but lets investigate what is possible - still sticking to the SQL-99 specs.

Start by making a test file named test0000.js where 0000 is the issue ID of this ticket. Replicate the use and mimic what usecases could make sense to test, like as a table name, as a column name, as a graph search. Things lke that.

The grammar can be updated in alasqlgrammar.jison. Focus on small precise changes. After updating it we need to run yarn jison && yarn test

Always run yarn format before committing.

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Limit the impact of using the keyword: ORDER #2223

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