### Godot version

4.2.dev [6588a4a]

### System information

N/A

### Issue description

While using `Button`s and when setting `text_overrun_behavior` to anything that adds ellipsis, they are drawn completely ignoring the outline values of the text. `Label` is able to do it correctly:

![image](https://github.com/godotengine/godot/assets/30739239/5154c841-479e-478b-aaa5-7b2e61876bed)

### Steps to reproduce

Create a `Button` and set `text_overrun_behavior` to anything that has ellipsis in it.

### Minimal reproduction project

N/A, trivially reproducible.
_diacritics_map_add(U"ṼṾ", U'V');
	_diacritics_map_add(U"ṽṿ", U'v');
	_diacritics_map_add(U"ŴẀẂẄẆẈ", U'W');
	_diacritics_map_add(U"ŵẁẃẅẇẉẘ", U'w');
	_diacritics_map_add(U"ẊẌ", U'X');
	_diacritics_map_add(U"ẋẍ", U'x');
	_diacritics_map_add(U"ÝŶẎỲỴỶỸỾ", U'Y');
	_diacritics_map_add(U"ýÿŷẏẙỳỵỷỹỿ", U'y');
	_diacritics_map_add(U"ŹŻŽẐẒẔ", U'Z');
	_diacritics_map_add(U"źżžẑẓẕ", U'z');
	// Greek.
	_diacritics_map_add(U"ΆἈἉἊἋἌἍἎἏᾈᾉᾊᾋᾌᾍᾎᾏᾸᾹᾺΆᾼ", U'Α');
	_diacritics_map_add(U"άἀἁἂἃἄἅἆἇὰάᾀᾁᾂᾃᾄᾅᾆᾇᾰᾱᾲᾳᾴᾶᾷ", U'α');
	_diacritics_map_add(U"ΈἘἙἚἛἜἝῈΈ", U'Ε');
	_diacritics_map_add(U"έἐἑἒἓἔἕὲέ", U'ε');
	_diacritics_map_add(U"ΉἨἩἪἫἬἭἮἯᾘᾙᾚᾛᾜᾝᾞᾟῊΉῌ", U'Η');
	_diacritics_map_add(U"ήἠἡἢἣἤἥἦἧὴήᾐᾑᾒᾓᾔᾕᾖᾗῂῃῄῆῇ", U'η');
	_diacritics_map_add(U"ΊΪἸἹἺἻἼἽἾἿῘῙῚΊ", U'Ι');
	_diacritics_map_add(U"ίΐϊἰἱἲἳἴἵἶἷὶίῐῑῒΐῖῗ", U'ι');
	_diacritics_map_add(U"ΌὈὉὊὋὌὍῸΌ", U'Ο');
	_diacritics_map_add(U"όὀὁὂὃὄὅὸό", U'ο');
	_diacritics_map_add(U"Ῥ", U'Ρ');
	_diacritics_map_add(U"ῤῥ", U'ρ');
	_diacritics_map_add(U"ΎΫϓϔὙὛὝὟῨῩῪΎ", U'Υ');
	_diacritics_map_add(U"ΰϋύὐὑὒὓὔὕὖὗὺύῠῡῢΰῦῧ", U'υ');
	_diacritics_map_add(U"ΏὨὩὪὫὬὭὮὯᾨᾩᾪᾫᾬᾭᾮᾯῺΏῼ", U'Ω');
	_diacritics_map_add(U"ώὠὡὢὣὤὥᾥᾦᾧῲῳῴῶῷ", U'ω');
	// Cyrillic.
	_diacritics_map_add(U"ӐӒ", U'А');
	_diacritics_map_add(U"ӑӓ", U'а');