Added BCC as recipient for filter rules

FAQ.md

@@ -2561,8 +2561,8 @@ Since version 1.2018 there is a rule option to run rules daily on messages older
 
 The following rule conditions are available:
 
-* Sender contains or sender is contact
-* Recipient contains
+* Sender (from, reply-to) contains or sender is contact
+* Recipient (to, cc, bcc) contains
 * Subject contains
 * Has attachments (optional of specific type)
 * Header contains

app/src/main/java/eu/faircode/email/EntityRule.java

@@ -234,6 +234,8 @@ public class EntityRule {
                     recipients.addAll(Arrays.asList(message.to));
                 if (message.cc != null)
                     recipients.addAll(Arrays.asList(message.cc));
+                if (message.bcc != null)
+                    recipients.addAll(Arrays.asList(message.bcc));
                 for (Address recipient : recipients) {
                     InternetAddress ia = (InternetAddress) recipient;
                     String personal = ia.getPersonal();