Get rid of redundant boxing of unsigned operands of infix 'compareTo'

^KT-48759: Fixed

compiler/testData/codegen/box/inlineClasses/infixCompareToOptimization.kt

@@ -0,0 +1,16 @@
+// WITH_STDLIB
+// TARGET_BACKEND: JVM_IR
+
+fun compareUInts(a: UInt, b: UInt) = a compareTo b
+fun compareULongs(a: ULong, b: ULong) = a compareTo b
+
+
+fun box(): String {
+    if (compareUInts(0u, 1u) != -1) return "Fail 1"
+    if (compareULongs(0u, 1u) != -1) return "Fail 2"
+    return "OK"
+}
+
+// CHECK_BYTECODE_TEXT
+// 0 INVOKESTATIC kotlin/ULong.box-impl
+// 0 INVOKESTATIC kotlin/UInt.box-impl