Hide photo/mic options on whitespace entry

Fixes #7204

src/org/thoughtcrime/securesms/ConversationActivity.java

@@ -1742,7 +1742,7 @@ public class ConversationActivity extends PassphraseRequiredActionBarActivity
   }
 
   private void updateToggleButtonState() {
-    if (composeText.getTextTrimmed().length() == 0 && !attachmentManager.isAttachmentPresent()) {
+    if (composeText.getText().length() == 0 && !attachmentManager.isAttachmentPresent()) {
       buttonToggle.display(attachButton);
       quickAttachmentToggle.show();
     } else {