fix : invalid query string when duplicate query param keys are provided

[SharadSaha]

This is a fix to the issue https://github.com/hoppscotch/hoppscotch/issues/5001 in Hoppscotch, where the curl generated is invalid whenever there are duplicate query params.

[Copilot]

Pull Request Overview

This PR fixes invalid cURL snippets when requests include duplicate query parameters by replacing the old stringifier with a helper that leverages URLSearchParams.

• Introduce getQueryString helper to correctly handle multiple values for the same key.
• Swap out queryStringify for getQueryString in the main snippet generator.
• Add new tests to verify behavior of duplicate query keys and empty queries.

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/httpsnippet.ts	Replaced custom query serializer with getQueryString call
src/helpers/query-params.ts	Added helper that flattens query object into a proper querystring
src/httpsnippet.test.ts	Added tests for duplicate query params, array-indexed keys, and empty queries

Comments suppressed due to low confidence (1)

src/helpers/query-params.ts:6

• The JSDoc should note that this function returns the raw query string without the leading ? so callers know they must prefix it when building full URLs.

export const getQueryString = (queryObj: ReducedHelperObject): string => {