update request options to add keys from config map data to headers

[kdai7]

No description provided.

[alewitt2]

• good to use const instead of let where possible.
• headers was already defined above, use a new name to be clear what the intention is.
• note: the below suggestion is untested, so make sure it works before just accepting any changes.

Suggested change

	let reqopt = new FetchEnvs(this);
	let headersFrom = objectPath.get(requestOptions, 'headersFrom');
	if (headersFrom) {
	let headersFromTemp = await reqopt.processEnvFrom(headersFrom);
	let headers = objectPath.get(requestOptions, 'headers');
	for (const header of headersFromTemp) {
	const data = header?.data;
	headers = { ...headers, ...data };
	}
	requestOptions = { ...requestOptions, headers };
	}
	const reqopt = new FetchEnvs(this);
	const headersFrom = objectPath.get(requestOptions, 'headersFrom');
	if (headersFrom) {
	const headersFromTemp = await reqopt.processEnvFrom(headersFrom);
	let mergedHeaders = { ...headers };
	for (const header of headersFromTemp) {
	const data = header?.data;
	mergedHeaders = { ...mergedHeaders, ...data };
	}
	requestOptions = { ...requestOptions, headers: mergedHeaders };
	}