[FIR] Fix tests (ARGUMENT_TYPE_MISMATCH instead of INCOMPATIBLE_CANDIDATE)

compiler/testData/diagnostics/tests/annotations/rendering/memberProjectedOut.fir.kt

@@ -12,5 +12,5 @@ class C<T> {
 }
 
 fun test(a: C<out CharSequence>) {
-    <!INAPPLICABLE_CANDIDATE!>a[1]<!> = 25
+    a[1] = <!ARGUMENT_TYPE_MISMATCH!>25<!>
 }

compiler/testData/diagnostics/tests/annotations/rendering/typeMismatchDueToTypeProjections.fir.kt

@@ -14,5 +14,5 @@ class C<T> {
 class Out<out F>
 
 fun test(a: C<out CharSequence>, y: Out<CharSequence>) {
-    a <!INAPPLICABLE_CANDIDATE!>+<!> y
+    a + <!ARGUMENT_TYPE_MISMATCH!>y<!>
 }