[Change] BotCommandProcess, CacheStoreCentral 将ImageFile缓存管理转移到CacheStoreCentral;

[Change] RandomRankingArtworksSender 适配修改;
[Change] BotCommandProcess, BotGlobal 将'imageStoreDir'由BotCommandProcess转移到BotGlobal;

src/main/java/net/lamgc/cgj/bot/RandomRankingArtworksSender.java

@@ -89,7 +89,7 @@ public class RandomRankingArtworksSender extends AutoSender {
             String message = "#美图推送 - 今日排行榜 第 " + rankingInfo.get("rank").getAsInt() + " 名\n" +
                     "标题：" + rankingInfo.get("title").getAsString() + "(" + illustId + ")\n" +
                     "作者：" + rankingInfo.get("user_name").getAsString() + "\n" +
-                    BotCommandProcess.getImageById(0, illustId, quality, 1) +
+                    CacheStoreCentral.getImageById(0, illustId, quality, 1) +
                     "\n如有不当作品，可使用\".cgj report -id " + illustId + "\"向色图姬反馈。";
             getMessageSender().sendMessage(message);
         } catch (Exception e) {