Fix aliases parsing

[TPGamesNL]

Description

Fix parsing of items with json with commas. Test script:

aliases:
	test_item1 = minecraft:stick {display:{Name:'{"text":"test_name","italic":false}'}}
	test_item2 = minecraft:stick {display:{Lore:['[{"text":"test_lore"}]']}}
	test_item3 = minecraft:stick {display:{Name:'{"text":"test_name","italic":false}',Lore:['[{"text":"test_lore"}]']}}
	test_item4 = minecraft:stick {display:{Name:'{"text":"test_name","italic":false}',Lore:['[{"text":"test_lore"}]']}}, minecraft:stick {display:{Name:'{"text":"other namE","italic":false}',Lore:['[{"text":"tttt"}]']}}

command /test:
	trigger:
		set {_item1} to test_item1
		message "%{_item1}%"
		set {_item2} to test_item2
		message "%{_item2}%"
		set {_item3} to test_item3
		message "%{_item3}%"
		message "%lore of {_item3}%"
		set {_item4} to test_item4
		message "%{_item4}%"

---

Target Minecraft Versions: any
Requirements: none
Related Issues: #3776

[APickledWalrus]

LGTM