Handles the different combinations of the show only checkboxes, namely:
         - Show only labels
         - Show only Diffs

def set_show_only_status(self):
        """
        Handles the different combinations of the show only checkboxes, namely:
         - Show only labels
         - Show only Diffs
        """
        if self.ui.chkBoxShowOnlyDiffs.isChecked() and not self.ui.cbShowDiffs.isChecked():
            self.ui.cbShowDiffs.setChecked(True)
            self.show_differences(True)

        if self.ui.chkBoxOnlyShowLabelsInProtocol.isChecked() and self.ui.chkBoxShowOnlyDiffs.isChecked():
            self.show_only_diffs_and_labels()
        elif self.ui.chkBoxOnlyShowLabelsInProtocol.isChecked() and not self.ui.chkBoxShowOnlyDiffs.isChecked():
            self.show_only_labels()
        elif not self.ui.chkBoxOnlyShowLabelsInProtocol.isChecked() and self.ui.chkBoxShowOnlyDiffs.isChecked():
            self.show_only_diffs()
        else:
            self.restore_visibility()

        self.ui.tblViewProtocol.resize_columns()