chore(developer): Cleanup multidimensional array to map

[darcywong00]

          We are using a multidimensional array here instead of a map, due to the conversion from Delphi. One day should clean this up

Originally posted by @mcdurdin in #9846 (comment)

Regarding

function TransformSpecialKeys14(FDebug: boolean, sLayoutFile: string): string {
  // Rewrite Special key labels that are only supported in Keyman 14+
  // This code is a little ugly but effective.
  if(!IsKeyboardVersion14OrLater()) {
    for(let i = 0; i < CSpecialText14Map.length; i++) {
      // Assumes the JSON output format will not change
      if(FDebug) {
        sLayoutFile = sLayoutFile.replaceAll('"text": "'+CSpecialText14Map[i][0]+'"', '"text": this._v>13 ? "'+CSpecialText14Map[i][0]+'" : "'+CSpecialText14Map[i][1]+'"');
      } else {
        sLayoutFile = sLayoutFile.replaceAll('"text":"'+CSpecialText14Map[i][0]+'"', '"text":this._v>13?"'+CSpecialText14Map[i][0]+'":"'+CSpecialText14Map[i][1]+'"');
      }
    }
  }
  return sLayoutFile;
}

function TransformSpecialKeys17(FDebug: boolean, sLayoutFile: string): string {
  // Rewrite Special key labels that are only supported in Keyman 17+
  // This code is a little ugly but effective.
  if(!IsKeyboardVersion17OrLater()) {
    for(let i = 0; i < CSpecialText17Map.length; i++) {
      // Assumes the JSON output format will not change
      if(FDebug) {
        sLayoutFile = sLayoutFile.replaceAll('"text": "'+CSpecialText17Map[i][0]+'"', '"text": this._v>16 ? "'+CSpecialText17Map[i][0]+'" : "'+CSpecialText17Map[i][1]+'"');
      } else {
        sLayoutFile = sLayoutFile.replaceAll('"text":"'+CSpecialText17Map[i][0]+'"', '"text":this._v>16?"'+CSpecialText17Map[i][0]+'":"'+CSpecialText17Map[i][1]+'"');
      }
    }
  }
  return sLayoutFile;
}