Solve constraints together and in the order they are added (#360)

* Solve named argument constraints when record type dereferencing fails

* Revert "Solve named argument constraints when record type dereferencing fails"

This reverts commit ca38a171a9eefdddbc3f6a41f8a268c42662cd7a.

* Solve constraints together and in order

* Fix dialyzer warnings

* Add comment on solve_known_record_types

* Remove unused function

test/contracts/remote_call_ambiguous_record.aes

@@ -0,0 +1,11 @@
+contract interface Coin =
+    entrypoint mint : () => int
+
+contract interface OtherCoin =
+    entrypoint mint : () => int
+
+main contract Main =
+    function mkCoin() : Coin = ct_11111111111111111111111111111115rHyByZ
+    entrypoint foo() : int =
+        let r = mkCoin()
+        r.mint()