Optimize custom pipeline execution and upload logic

[GengineJS]

No description provided.

[github-actions]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1009805 bytes	1009703 bytes	👍 -102 bytes
2D All (legacy pipeline)	2675364 bytes	2675362 bytes	👍 -2 bytes
2D All (new pipeline)	2767100 bytes	2767993 bytes	⚠️ +893 bytes
(2D + 3D) All	10024070 bytes	10024962 bytes	⚠️ +892 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16843132 bytes	16844024 bytes	⚠️ +892 bytes

Interface Check Report

! WARNING this pull request has changed these public interfaces:

@@ -8106,8 +8106,9 @@
             /** @mangle */
             protected _samplers: Sampler[];
             /** @mangle */
             protected _isDirty: boolean;
+            get gpuDescriptorSet(): any;
             constructor();
             abstract initialize(info: Readonly<DescriptorSetInfo>): void;
             abstract destroy(): void;
             abstract update(): void;
@@ -9968,8 +9969,9 @@
              * @en Get current attributes.
              * @zh 顶点属性数组。
              */
             get attributes(): Attribute[];
+            get gpuInputAssembler(): any;
             /**
              * @en Get current vertex buffers.
              * @zh 顶点缓冲数组。
              */
@@ -12761,8 +12763,9 @@
                 protected _baked: boolean;
                 protected _color: math.Vec3;
                 protected _colorTemp: number;
                 protected _colorTempRGB: math.Vec3;
+                protected _lightId: number;
                 protected _scene: RenderScene | null;
                 protected _node: Node | null;
                 protected _name: string | null;
                 protected _useColorTemperature: boolean;