fix: [2.5] fix chunk cache madvise when sparse raw data is mmaped

[zhengbuqian]

instead of marking as not supported, ChunkedSparseFloatColumn::DataByteSize can simply use the impl of super class.
pr: #39145
issue: #39158

[mergify]

@zhengbuqian

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.55%. Comparing base (95809ca) to head (1d7317f).
Report is 3 commits behind head on 2.5.

❗ There is a different number of reports uploaded between BASE (95809ca) and HEAD (1d7317f). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (95809ca)	HEAD (1d7317f)
	2	1

Additional details and impacted files

@@             Coverage Diff             @@
##              2.5   #39146       +/-   ##
===========================================
- Coverage   81.02%   69.55%   -11.48%     
===========================================
  Files        1389      294     -1095     
  Lines      196343    26460   -169883     
===========================================
- Hits       159091    18403   -140688     
+ Misses      31629     8057    -23572     
+ Partials     5623        0     -5623     

Components	Coverage Δ
Client	∅ <ø> (∅)
Core	69.55% <ø> (+<0.01%)	⬆️
Go	∅ <ø> (∅)

Files with missing lines	Coverage Δ
internal/core/src/mmap/ChunkedColumn.h	53.54% <ø> (+0.83%)	⬆️

... and 1095 files with indirect coverage changes

[zhengbuqian]

issue: #39158

[sunby]

/lgtm

[congqixia]

/approve

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