[FIR] Add inline checker for bodies of inline functions

This checker doesn't support `@PublishedAPI` yet, so some BB tests for it
 were muted. #KT-46270

compiler/testData/diagnostics/tests/inline/kt15410.fir.kt

@@ -6,5 +6,5 @@ open class Foo protected constructor()
 inline fun foo(f: () -> Unit) = object: Foo() {}
 
 class A : Foo() {
-    inline fun foo(f: () -> Unit) = Foo()
+    inline fun foo(f: () -> Unit) = <!PROTECTED_CONSTRUCTOR_CALL_FROM_PUBLIC_INLINE!>Foo<!>()
 }