fix apache#52596, DeleteBitmapAggCache
should be destructed before CacheManager
```
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /root/doris/be/src/runtime/memory/cache_policy.cpp:35:31
*** Query id: 0-0 ***
*** is nereids: 0 ***
*** tablet id: 0 ***
*** Aborted at 1751405577 (unix time) try "date -d @1751405577" if you are using GNU date ***
*** Current BE git commitID: cd35cf0eb5 ***
*** SIGSEGV address not mapped to object (@0x10) received by PID 15013 (TID 15013 OR 0x7fced202a4c0) from PID 16; stack trace: ***
 0# doris::signal::(anonymous namespace)::FailureSignalHandler(int, siginfo_t*, void*) at /root/doris/be/src/common/signal_handler.h:420
 1# PosixSignals::chained_handler(int, siginfo_t*, void*) [clone .part.0] in /usr/lib/jvm/java-17-openjdk-amd64/lib/server/libjvm.so
 2# JVM_handle_linux_signal in /usr/lib/jvm/java-17-openjdk-amd64/lib/server/libjvm.so
 3# 0x00007FCED2404090 in /lib/x86_64-linux-gnu/libc.so.6
 4# __pthread_mutex_lock at ../nptl/pthread_mutex_lock.c:67
 5# doris::CacheManager::unregister_cache(doris::CachePolicy::CacheType) at /root/doris/be/src/runtime/memory/cache_manager.h:56
 6# doris::CachePolicy::~CachePolicy() at /root/doris/be/src/runtime/memory/cache_policy.cpp:36
 7# doris::DeleteBitmap::AggCachePolicy::~AggCachePolicy() at /root/doris/be/src/olap/tablet_meta.h:568
 8# __run_exit_handlers at /build/glibc-SzIz7B/glibc-2.31/stdlib/exit.c:109
 9# on_exit at /build/glibc-SzIz7B/glibc-2.31/stdlib/on_exit.c:26
10# __libc_start_main at ../csu/libc-start.c:261
11# _start in /home/work/unlimit_teamcity/TeamCity/Agents/20250702042258agent_172.16.0.200_1/work/60183217f6ee2a9c/output/be/lib/doris_be