Fix Color hash component order

(cherry picked from commit 2acda9628a653a0f43ebf585cfde55455422e294)

core/math/color.h

@@ -242,7 +242,7 @@ struct [[nodiscard]] Color {
 
 	uint32_t hash() const {
 		uint32_t h = hash_murmur3_one_float(r);
-		h = hash_murmur3_one_float(r, h);
+		h = hash_murmur3_one_float(g, h);
 		h = hash_murmur3_one_float(b, h);
 		h = hash_murmur3_one_float(a, h);
 		return hash_fmix32(h);

tests/core/math/test_color.cpp

@@ -96,6 +96,13 @@ TEST_CASE("[Color] Operators") {
 			"Color negation should behave as expected (affecting the alpha channel, unlike `invert()`).");
 }
 
+TEST_CASE("[Color] Hash") {
+	const Color red = Color(1, 0, 0, 1);
+	const Color yellow = Color(1, 1, 0, 1);
+
+	CHECK(red.hash() != yellow.hash());
+}
+
 TEST_CASE("[Color] Reading methods") {
 	constexpr Color dark_blue = Color(0, 0, 0.5, 0.4);