Disable contact sharing.

SignalServiceKit/src/Messages/Interactions/OWSContact.m

@@ -20,7 +20,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 // NOTE: When changing the value of this feature flag, you also need
 // to update the filtering in the SAE's info.plist.
-BOOL kIsSendingContactSharesEnabled = YES;
+BOOL kIsSendingContactSharesEnabled = NO;
 
 NSString *NSStringForContactPhoneType(OWSContactPhoneType value)
 {

SignalShareExtension/Info.plist

@@ -60,8 +60,11 @@
                 SUBQUERY (
                 $extensionItem.attachments,
                 $attachment,
+                (
                 ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.data"
                 || ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.url"
+                )
+                AND NOT (ANY $attachment.registeredTypeIdentifiers UTI-CONFORMS-TO "public.vcard")
                 ).@count >= 1
                 ).@count == 1
             </string>