Mask computed address in Create2 and Clones libraries (#4941)

Co-authored-by: ernestognw <ernestognw@gmail.com>
Co-authored-by: Hadrien Croubois <hadrien.croubois@gmail.com>

test/proxy/Clones.t.sol

@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.20;
+
+import {Test} from "forge-std/Test.sol";
+import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
+
+contract ClonesTest is Test {
+    function testPredictDeterministicAddressSpillage(address implementation, bytes32 salt) public {
+        address predicted = Clones.predictDeterministicAddress(implementation, salt);
+        bytes32 spillage;
+        /// @solidity memory-safe-assembly
+        assembly {
+            spillage := and(predicted, 0xffffffffffffffffffffffff0000000000000000000000000000000000000000)
+        }
+        assertEq(spillage, bytes32(0));
+    }
+}