[PM-16699] Add decrypt trace for decrypt failures (#12749)

* Improve decrypt failure logging

* Rename decryptcontext to decrypttrace

* Improve docs

* Revert changes to decrypt logic

* Revert keyservice decryption logic change

* Undo one more change to decrypt logic

libs/key-management/src/key.service.spec.ts

@@ -462,6 +462,7 @@ describe("keyService", () => {
       expect(encryptService.decryptToBytes).toHaveBeenCalledWith(
         fakeEncryptedUserPrivateKey,
         userKey,
+        "Content: Encrypted Private Key",
       );
 
       expect(userPrivateKey).toBe(fakeDecryptedUserPrivateKey);