4chan X /lgbt/ flag fix

      // Installation instructions: Open the 4chan-X userscript in the editor. Hit ctrl+f and search for "if (g.BOARD.config.board_flags) {" and paste the contents of this pastebin into the previous line
      // If there are no board flags declared, but we can see that the flag selector exists, then we know that we have to add them ourselves.
      if ((g.BOARD.config.board_flags == null) && document.getElementsByClassName("flagSelector")[0].options) {
        console.log("Board flags not declared. Using workaround.");
        // create board flags object
        g.BOARD.config.board_flags = {};
        // go through the options in the flag dropdown menu and add them to the list
        for (let cOption of document.getElementsByClassName("flagSelector")[0].options) {
          g.BOARD.config.board_flags[cOption.value] = cOption.textContent;
        }
        // delete the "None" option
        delete g.BOARD.config.board_flags["0"];
        console.log("Detected the following flags: ", g.BOARD.config.board_flags);
      }