Change resolution priority about implicit receivers and synthesized member-like descriptors.

Change resolution to consider extensions to implicit receiver before members of another implicit receiver.
Make synthesized member-like extensions resolve right after the members.

#KT-10510 Fixed
#KT-10219 Fixed

compiler/testData/diagnostics/tests/resolve/priority/syntheticPropertiesVsExtensions.kt

@@ -21,9 +21,9 @@ class B {
     private val A.foo: B get() = this@B
 
     fun test(a: A) {
-        a.foo checkType { _<B>() } // todo
+        a.foo checkType { _<A>() }
         with(a) {
-            foo checkType { _<B>() } // todo
+            foo checkType { _<A>() }
         }
     }
 }