fixes the send button

ConversationActivity.java

  // original code:
  
  private void initializeIme() {
    if (TextSecurePreferences.isEnterImeKeyEnabled(this)) {
      composeText.setInputType(composeText.getInputType() & (~InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
    } else {
      composeText.setInputType(composeText.getInputType() | (InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
    }
  }
  
  // new code
  
  private void initializeIme() {
      // TODO: fix so it only minimally mods the xml and this function (if possible)
    composeText.setHorizontallyScrolling(false);
    composeText.setMaxLines(4);

    if (TextSecurePreferences.isEnterImeKeyEnabled(this)) {
      if (TextSecurePreferences.isEnterSendsEnabled(this)) {
          composeText.setInputType(composeText.getInputType());
      } else {
          composeText.setImeOptions(~EditorInfo.IME_ACTION_SEND);
          composeText.setInputType(composeText.getInputType() | (InputType.TYPE_TEXT_FLAG_MULTI_LINE));
      }
    } else {
      composeText.setInputType((composeText.getInputType()) | (InputType.TYPE_TEXT_VARIATION_SHORT_MESSAGE));
    }
  }