Reset whoQueryIdx to 1 when no WHO query is found

Modules/Whoer.lua

@@ -689,6 +689,7 @@ shared.Whoer = {
 						print(
 							string.format("[%s] Error: No WHO query found to run at index %d", ModuleName, whoQueryIdx)
 						)
+						whoQueryIdx = 1
 					end
 					return
 				end