feat(theme): TitleLogo + TitleKicker display variations

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

client/tests/unit/test_title_theme.gd

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+extends "res://addons/gut/test.gd"
+
+const Builder = preload("res://scripts/theme/build_game_theme.gd")
+
+
+func test_title_variations_built():
+	var t: Theme = Builder.build_theme()
+	assert_eq(t.get_font_size(&"font_size", ThemeKeys.TITLE_LOGO), 116)
+	assert_eq(t.get_color(&"font_color", ThemeKeys.TITLE_LOGO), Palette.CREAM)
+	assert_eq(t.get_color(&"font_color", ThemeKeys.TITLE_KICKER), Palette.GOLD)

client/tests/unit/test_title_theme.gd.uid

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+uid://dbqle1sf0byj4