### What problem does this PR solve?
```
# TYPE doris_be_invalid_delete_bitmap_key_count gauge
doris_be_invalid_delete_bitmap_key_count 0
# TYPE doris_be_valid_delete_bitmap_key_count gauge
doris_be_valid_delete_bitmap_key_count 409
```
https://github.com/apache/doris/pull/50080
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
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…cution
when the load task cancelled before execution as memory limitation, the
load task will hang as the coordinator is waiting the report from BE.
solution:
Let BE report the task status when task cancelled before execution .
Issue Number: close #xxx
Related PR: #xxx
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### What problem does this PR solve?
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Related PR: #xxx
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pick #51217
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
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- [ ] No.
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…(#50938)
https://github.com/apache/doris/pull/50938
if cast return st not ok
```
report error status: [E-254] std::bad_typeid
0# doris::get_stack_trace(int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) at /mnt/disk12/yanxuecheng/tmp-doris/be/src/util/stack_util.cpp:59
1# doris::Exception::Exception(int, std::basic_string_view<char, std::char_traits<char> > const&) at /mnt/disk12/yanxuecheng/tmp-doris/be/src/common/exception.cpp:30
2# doris::vectorized::ColumnStr<unsigned int> const* typeid_cast<doris::vectorized::ColumnStr<unsigned int> const*, doris::vectorized::IColumn const>(doris::vectorized::IColumn const*) at /mnt/disk12/yanxuecheng/tmp-doris/be/src/vec/common/typeid_cast.h:42
3# doris::vectorized::ColumnStr<unsigned int> const* doris::vectorized::check_and_get_column<doris::vectorized::ColumnStr<unsigned int> >(doris::vectorized::IColumn const*) at /mnt/disk12/yanxuecheng/tmp-doris/be/src/vec/columns/column.h:725
4# doris::vectorized::VExprContext::execute(doris::vectorized::Block*, int*) at /mnt/disk12/yanxuecheng/tmp-doris/be/src/vec/exprs/vexpr_context.cpp:61
```
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Issue Number: close #xxx
Related PR: #xxx
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