update identity manager names

// FREEBIE

src/Messages/OWSIdentityManager.h

@@ -26,7 +26,7 @@ extern NSString *const kNSNotificationName_IdentityStateDidChange;
  * @param   recipientId unique stable identifier for the recipient, e.g. e164 phone number
  * @returns if the recipient's current identity is trusted.
  */
-- (BOOL)isCurrentIdentityTrustedForSendingWithRecipientId:(NSString *)recipientId;
+- (BOOL)isCurrentIdentityTrustedForSendingToRecipientId:(NSString *)recipientId;
 
 - (void)generateNewIdentityKey;
 
@@ -44,7 +44,8 @@ extern NSString *const kNSNotificationName_IdentityStateDidChange;
  * @returns nil if the recipient does not exist, or if the recipient exists and is OWSVerificationStateVerified or
  * OWSVerificationStateDefault else return the no longer verified identity
  */
-- (OWSRecipientIdentity *)noLongerVerifiedIdentityForRecipientId:(NSString *)recipientId;
+- (nullable OWSRecipientIdentity *)noLongerVerifiedIdentityForRecipientId:(NSString *)recipientId
+    NS_SWIFT_NAME(noLongerVerifiedIdentity(recipientId:));
 
 @end
 

src/Messages/OWSIdentityManager.m

@@ -77,7 +77,7 @@ NSString *const kNSNotificationName_IdentityStateDidChange = @"kNSNotificationNa
     return self;
 }
 
-- (BOOL)isCurrentIdentityTrustedForSendingWithRecipientId:(NSString *)recipientId
+- (BOOL)isCurrentIdentityTrustedForSendingToRecipientId:(NSString *)recipientId
 {
     OWSAssert(recipientId.length > 0);
 
@@ -235,7 +235,7 @@ NSString *const kNSNotificationName_IdentityStateDidChange = @"kNSNotificationNa
     }
 }
 
-- (OWSRecipientIdentity *)noLongerVerifiedIdentityForRecipientId:(NSString *)recipientId
+- (nullable OWSRecipientIdentity *)noLongerVerifiedIdentityForRecipientId:(NSString *)recipientId
 {
     OWSAssert(recipientId.length > 0);