为愚人节分类添加图标 (#4249)

Co-authored-by: Glavo <zjx001202@gmail.com>

HMCL/src/main/java/org/jackhuang/hmcl/setting/VersionIconType.java

@@ -29,6 +29,7 @@ public enum VersionIconType {
     COMMAND("/assets/img/command.png"),
     OPTIFINE("/assets/img/optifine.png"),
     CRAFT_TABLE("/assets/img/craft_table.png"),
+    APRIL_FOOLS("/assets/img/april_fools.png"),
     FABRIC("/assets/img/fabric.png"),
     FORGE("/assets/img/forge.png"),
     NEO_FORGE("/assets/img/neoforge.png"),

HMCL/src/main/java/org/jackhuang/hmcl/ui/download/VersionsPage.java

@@ -200,8 +200,13 @@ public final class VersionsPage extends Control implements WizardPage, Refreshab
                         break;
                     case PENDING:
                     case SNAPSHOT:
+                        if (GameVersionNumber.asGameVersion(remoteVersion.getGameVersion()).isSpecial()) {
+                            content.getTags().setAll(i18n("version.game.april_fools"));
+                            content.setImage(VersionIconType.APRIL_FOOLS.getIcon());
+                        } else {
                             content.getTags().setAll(i18n("version.game.snapshot"));
                             content.setImage(VersionIconType.COMMAND.getIcon());
+                        }
                         content.setExternalLink(i18n("wiki.version.game", wikiSuffix));
                         break;
                     default:

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionIconDialog.java

@@ -60,6 +60,7 @@ public class VersionIconDialog extends DialogPane {
                 createIcon(VersionIconType.CHEST),
                 createIcon(VersionIconType.CHICKEN),
                 createIcon(VersionIconType.COMMAND),
+                createIcon(VersionIconType.APRIL_FOOLS),
                 createIcon(VersionIconType.OPTIFINE),
                 createIcon(VersionIconType.CRAFT_TABLE),
                 createIcon(VersionIconType.FABRIC),