Fix ISE in mutli-share flow.

app/src/main/java/org/thoughtcrime/securesms/sharing/ShareActivity.java

@@ -208,6 +208,10 @@ public class ShareActivity extends PassphraseRequiredActivity
                                      Toast.makeText(this, R.string.ShareActivity_you_do_not_have_permission_to_send_to_this_group, Toast.LENGTH_SHORT).show();
                                      callback.accept(false);
                                      break;
+                                   case FALSE_AND_SHOW_SMS_MULTISELECT_TOAST:
+                                     Toast.makeText(this, R.string.ShareActivity__sharing_to_multiple_chats_is, Toast.LENGTH_LONG).show();
+                                     callback.accept(false);
+                                     break;
                                  }
                                }));
     }

app/src/main/java/org/thoughtcrime/securesms/sharing/ShareViewModel.java

@@ -76,6 +76,9 @@ public class ShareViewModel extends ViewModel {
           if (record.isPresent() && record.get().isAnnouncementGroup() && !record.get().isAdmin(Recipient.self())) {
             return ContactSelectResult.FALSE_AND_SHOW_PERMISSION_TOAST;
           }
+        } else if (SmsShareRestriction.DISALLOW_SMS_CONTACTS.equals(smsShareRestriction.getValue()) &&
+                   (!recipient.isRegistered() || recipient.isForceSmsSelection())) {
+          return ContactSelectResult.FALSE_AND_SHOW_SMS_MULTISELECT_TOAST;
         }
       }
 
@@ -165,7 +168,7 @@ public class ShareViewModel extends ViewModel {
   }
 
   enum ContactSelectResult {
-    TRUE, FALSE, FALSE_AND_SHOW_PERMISSION_TOAST
+    TRUE, FALSE, FALSE_AND_SHOW_PERMISSION_TOAST, FALSE_AND_SHOW_SMS_MULTISELECT_TOAST
   }
 
   enum SmsShareRestriction {