[FE] Relax the "no subtyping between context receivers" limitation

compiler/testData/diagnostics/tests/extensions/contextReceivers/genericOuterClass.kt

@@ -4,10 +4,10 @@ context(Collection<P>) class B<P>
 
 fun Int.foo() {
     A<Int>()
-    <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>A<!><String>()
+    <!NO_CONTEXT_RECEIVER!>A<String>()<!>
 }
 
 fun Collection<Int>.bar() {
     B<Int>()
-    <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>B<!><String>()
+    <!NO_CONTEXT_RECEIVER!>B<String>()<!>
 }

compiler/testData/diagnostics/tests/extensions/contextReceivers/lazy.kt

@@ -14,28 +14,28 @@ fun <T> f(lazy1: Lazy<Int>, lazy2: Lazy<CharSequence>, lazyT: Lazy<T>, lazyLazyT
         with(lazy2) {
             test1()
             test2()
-            <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>test3<!>()
+            <!NO_CONTEXT_RECEIVER!><!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>test3<!>()<!>
         }
     }
     with(lazy2) {
         with(lazy1) {
             test1()
             test2()
-            <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>test3<!>()
+            <!NO_CONTEXT_RECEIVER!><!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>test3<!>()<!>
         }
     }
     with(lazyT) {
         with(lazy1) {
             <!NO_CONTEXT_RECEIVER!>test1()<!>
             test2()
-            <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>test3<!>()
+            <!NO_CONTEXT_RECEIVER!><!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>test3<!>()<!>
         }
     }
     with(lazyLazyT) {
         with(lazy1) {
             <!NO_CONTEXT_RECEIVER!>test1()<!>
             test2()
-            <!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>test3<!>()
+            test3()
         }
     }
     with(lazy1) {

compiler/testData/diagnostics/tests/extensions/contextReceivers/typeParameterized.kt

@@ -7,5 +7,5 @@ context(T)
 fun <T> T.f(t: B<T>) {}
 
 fun Int.main(a: A, b: B<String>) {
-    a.<!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>f<!>(b)
+    a.<!NO_CONTEXT_RECEIVER!>f(<!TYPE_MISMATCH!>b<!>)<!>
 }

compiler/testData/diagnostics/tests/extensions/contextReceivers/typeParameterizedList.kt

@@ -12,6 +12,6 @@ fun main() {
         A<Int>().f()
     }
     with(listOf("1", "2", "3")) {
-        A<Int>().<!UNRESOLVED_REFERENCE_WRONG_RECEIVER!>f<!>()
+        A<Int>().<!NO_CONTEXT_RECEIVER!>f()<!>
     }
 }