fix: Reset SLA on issue doesn't work (#38789)

This was broken since last refactor where it was spun off to work with
all types of doctypes but client side code was never adapted.

(cherry picked from commit fa1c7b6)

erpnext/support/doctype/issue/issue.js

@@ -58,7 +58,9 @@ frappe.ui.form.on("Issue", {
 
 				frappe.call("erpnext.support.doctype.service_level_agreement.service_level_agreement.reset_service_level_agreement", {
 					reason: values.reason,
-					user: frappe.session.user_email
+					user: frappe.session.user_email,
+					doctype: frm.doc.doctype,
+					docname: frm.doc.name,
 				}, () => {
 					reset_sla.enable_primary_action();
 					frm.refresh();

erpnext/support/doctype/service_level_agreement/service_level_agreement.py

@@ -774,10 +774,12 @@ def get_response_and_resolution_duration(doc):
 	return priority
 
 
-def reset_service_level_agreement(doc, reason, user):
+@frappe.whitelist()
+def reset_service_level_agreement(doctype: str, docname: str, reason, user):
 	if not frappe.db.get_single_value("Support Settings", "allow_resetting_service_level_agreement"):
 		frappe.throw(_("Allow Resetting Service Level Agreement from Support Settings."))
 
+	doc = frappe.get_doc(doctype, docname)
 	frappe.get_doc(
 		{
 			"doctype": "Comment",