1.适配DirectorEvent.RESET后调用physicscontactmanager.clear.

[tangkaikk]

1.适配DirectorEvent.RESET后调用physicscontactmanager.clear. 2.根据1来调整，box2d, box2d-jsb, box2d-wam

Re: #

Changelog

---

Continuous Integration

This pull request:

• needs automatic test cases check.

  Manual trigger with @cocos-robot run test cases afterward.

• does not change any runtime related code or build configuration

  If any reviewer thinks the CI checks are needed, please uncheck this option, then close and reopen the issue.

---

Compatibility Check

This pull request:

• changes public API, and have ensured backward compatibility with deprecated features.
• affects platform compatibility, e.g. system version, browser version, platform sdk version, platform toolchain, language version, hardware compatibility etc.
• affects file structure of the build package or build configuration which requires user project upgrade.
• introduces breaking changes, please list all changes, affected features and the scope of violation.

[github-actions]

Code Size Check Report

Wechat (WASM)	Before	After	Diff
2D Empty (legacy pipeline)	1010366 bytes	1010366 bytes	✅ 0 bytes
2D All (legacy pipeline)	2676847 bytes	2677360 bytes	⚠️ +513 bytes
2D All (new pipeline)	2768585 bytes	2769101 bytes	⚠️ +516 bytes
(2D + 3D) All	10025771 bytes	10026334 bytes	⚠️ +563 bytes

Web (WASM + ASMJS)	Before	After	Diff
(2D + 3D) All	16845422 bytes	16845985 bytes	⚠️ +563 bytes

Interface Check Report

! WARNING this pull request has changed these public interfaces:

@@ -47500,8 +47500,9 @@
          * @zh 检测给定点在哪些碰撞体内。
          */
         testAABB(rect: math.Rect): readonly Collider2D[];
         static constructAndRegister(): void;
+        clearContacts(): void;
     }
     /**
      * @en
      * Contact impulses for reporting.
@@ -71437,8 +71438,9 @@
             raycast(p1: math.IVec2Like, p2: math.IVec2Like, type: ERaycast2DType, mask: number): RaycastResult2D[];
             testPoint(p: math.Vec2): readonly Collider2D[];
             testAABB(rect: math.Rect): readonly Collider2D[];
             drawDebug(): void;
+            clearContacts(): void;
         }
         export interface _cocos_physics_2d_framework_physics_selector__IPhysicsSelector {
             /**
              * @en

[github-actions]

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