Do not require experimental propagation for body usages in same module

Unless it's a usage inside the body of an effectively public inline
function

 #KT-22759 In Progress

compiler/testData/diagnostics/testsWithStdLib/experimental/classMembersOverlyExperimental.kt

@@ -1,4 +1,5 @@
 // !API_VERSION: 1.3
+// MODULE: api
 // FILE: api.kt
 
 package api
@@ -22,6 +23,7 @@ class C {
     }
 }
 
+// MODULE: usage(api)
 // FILE: usage.kt
 
 package usage