[AMORO-3253] Optijmizing getOPtimizingProcessTasks and getOptimizingT…

…ypes rest efficiency (apache#3254)

Before the change we'll check whether the table exists by loading the table, the loading step
maybe too expensive, and it's redundant because the table exists will be checked in the folllowing
step when loading table to retrieve the info.

amoro-ams/src/main/java/org/apache/amoro/server/dashboard/controller/TableController.java

@@ -338,8 +338,6 @@ public void getOptimizingTypes(Context ctx) {
     String db = ctx.pathParam("db");
     String table = ctx.pathParam("table");
     TableIdentifier tableIdentifier = TableIdentifier.of(catalog, db, table);
-    ServerCatalog serverCatalog = tableService.getServerCatalog(catalog);
-    Preconditions.checkState(serverCatalog.tableExists(db, table), "no such table");
 
     Map<String, String> values =
         tableDescriptor.getTableOptimizingTypes(tableIdentifier.buildTableIdentifier());
@@ -361,10 +359,8 @@ public void getOptimizingProcessTasks(Context ctx) {
 
     int offset = (page - 1) * pageSize;
     int limit = pageSize;
-    ServerCatalog serverCatalog = tableService.getServerCatalog(catalog);
     Preconditions.checkArgument(offset >= 0, "offset[%s] must >= 0", offset);
     Preconditions.checkArgument(limit >= 0, "limit[%s] must >= 0", limit);
-    Preconditions.checkState(serverCatalog.tableExists(db, table), "no such table");
 
     TableIdentifier tableIdentifier = TableIdentifier.of(catalog, db, table);
     List<OptimizingTaskInfo> optimizingTaskInfos =