FIR: improve inference of implicit type arguments in casts

Type parameters do not necessarily match one-to-one, or preserve order.

compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java

@@ -30617,6 +30617,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/when/implicitExhaustiveAndReturn.kt");
         }
 
+        @TestMetadata("inferredTypeParameters.kt")
+        public void testInferredTypeParameters() throws Exception {
+            runTest("compiler/testData/codegen/box/when/inferredTypeParameters.kt");
+        }
+
         @TestMetadata("integralWhenWithNoInlinedConstants.kt")
         public void testIntegralWhenWithNoInlinedConstants() throws Exception {
             runTest("compiler/testData/codegen/box/when/integralWhenWithNoInlinedConstants.kt");