fast random projection gsql - updates to parameter implementation

[jkerney]

PR Summary

This PR addresses two bugs in query tg_fastRP.gsql.

1. Parameter choose_k ineffective

• Initially implemented in commit 33bde5e, the GSQL for this parameter was removed in commit 4a12d01.
• This bug has been resolved by reintroducing the GSQL from commit 33bde5e.

2. Incorrect zero values when print_results = TRUE

• This occurs because of the line s.@final_embedding_arr.clear(), which clears the accumulator values before printing.
• This bug has been resolved by removing s.@final_embedding_arr.clear(). This line was likely introduced to minimize memory consumption. However, its impact is likely minimal as it occurs towards the end of the script.

Additional Information

• Testing: The changes have been tested locally.
• Impact on Existing Features: No impact on existing features or new dependencies introduced.

Feedback Request

• Open for feedback regarding the removal of s.@final_embedding_arr.clear() and its potential impact on memory consumption.