Make CCIPBatcher respect Lookup w/FLAG_DONE (#499)

* rename ICompositeExtendedResolver to ICompositeResolver

Author: adraffy

contracts/ccipRead/CCIPBatcher.sol

@@ -60,6 +60,9 @@ abstract contract CCIPBatcher is CCIPReader {
     ) external view returns (Batch memory) {
         for (uint256 i; i < batch.lookups.length; ++i) {
             Lookup memory lu = batch.lookups[i];
+            if ((lu.flags & FLAG_DONE) != 0) {
+                continue; // don't call a lookup that's already done
+            }
             if ((lu.flags & FLAGS_ANY_EIP140) == 0) {
                 uint256 flags = detectEIP140(lu.target)
                     ? FLAG_EIP140_AFTER

contracts/resolvers/profiles/ICompositeExtendedResolver.sol renamed to contracts/resolvers/profiles/ICompositeResolver.sol

@@ -3,11 +3,14 @@ pragma solidity >=0.8.4;
 
 import {IExtendedResolver} from "./IExtendedResolver.sol";
 
-/// @notice A resolver that is composed of multiple resolvers.
+/// @notice A resolver that calls other resolvers.
 /// @dev Interface selector: `0xf686ea10`
-interface ICompositeExtendedResolver is IExtendedResolver {
+interface ICompositeResolver is IExtendedResolver {
     /// @notice Fetch the underlying resolver for `name`.
     ///         Callers should enable EIP-3668.
+	///
+	/// * If `offchain`, additional information is necessary to locate `resolver`.
+	/// * If `resolver` is null, `offchain` is irrelevant.
     ///
     /// @param name The DNS-encoded name.
     ///