[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/protectedCallError.fir.kt

@@ -18,10 +18,10 @@ open class A {
         protected set(value) {}
 
     inline fun call() {
-        test()
-        z
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>test<!>()
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>z<!>
         zVar
-        zVar = "123"
+        zVar <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>=<!> "123"
     }
 
     internal inline fun callFromInternal() {
@@ -48,13 +48,13 @@ open class A {
 
 class B : A() {
     inline fun testB() {
-        test()
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>test<!>()
     }
 }
 
 class C : JavaClass() {
     inline fun call() {
-        bind()
+        <!PROTECTED_CALL_FROM_PUBLIC_INLINE_ERROR!>bind<!>()
     }
 
     internal inline fun callFromInternal() {
@@ -99,4 +99,4 @@ private class X {
         }
     }
 
-}
+}