[branch-2-0](http) add show_table_data http api

[nextdreamblue]

In some cases, users need to get the data size of single replica of a table, and evaluate certain actions based on this, such as estimating the precise backup size.

Proposed changes

Issue Number: close #xxx

cherry pick from #28380

Further comments

If this is a relatively large or complex change, kick off the discussion at dev@doris.apache.org by explaining why you chose the solution you did and what alternatives you considered, etc...

[nextdreamblue]

run buildall

[nextdreamblue]

run buildall

[xy720]

LGTM

[github-actions]

PR approved by at least one committer and no changes requested.

[github-actions]

PR approved by anyone and no changes requested.

[nextdreamblue]

run p0

[nextdreamblue]

run clickbench

[nextdreamblue]

run buildall

[doris-robot]

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 50.83 seconds
stream load tsv: 568 seconds loaded 74807831229 Bytes, about 125 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 65 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 29.8 seconds inserted 10000000 Rows, about 335K ops/s
storage size: 17162516388 Bytes

[nextdreamblue]

run buildall

[nextdreamblue]

run buildall

[doris-robot]

(From new machine)TeamCity pipeline, clickbench performance test result:
the sum of best hot time: 50.35 seconds
stream load tsv: 571 seconds loaded 74807831229 Bytes, about 124 MB/s
stream load json: 20 seconds loaded 2358488459 Bytes, about 112 MB/s
stream load orc: 65 seconds loaded 1101869774 Bytes, about 16 MB/s
stream load parquet: 32 seconds loaded 861443392 Bytes, about 25 MB/s
insert into select: 29.8 seconds inserted 10000000 Rows, about 335K ops/s
storage size: 17162829441 Bytes

[Yulei-Yang]

LGTM