Ignore lastProfileFetchTime when determining Recipient equality.

Was resulting in some unnecessary Recipient re-renders during
conversation open.

app/src/main/java/org/thoughtcrime/securesms/recipients/Recipient.java

@@ -1290,7 +1290,6 @@ public class Recipient {
            expireMessages == other.expireMessages &&
            Objects.equals(profileAvatarFileDetails, other.profileAvatarFileDetails) &&
            profileSharing == other.profileSharing &&
-           lastProfileFetch == other.lastProfileFetch &&
            forceSmsSelection == other.forceSmsSelection &&
            Objects.equals(serviceId, other.serviceId) &&
            Objects.equals(username, other.username) &&