[branch-4.1](rowcursor) using field in rowcursor to skip many string convert

[yiguolei]

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

Release note

None

Check List (For Author)

• Test

  • Regression test
  • Unit Test
  • Manual test (add detailed scripts or steps below)
  • No need to test or manual test. Explain why:
    • This is a refactor/code format and no logic has been changed.
    • Previous test can cover this change.
    • No code files have been changed.
    • Other reason

• Behavior changed:

  • No.
  • Yes.

• Does this need documentation?

  • No.
  • Yes.

Check List (For Reviewer who merge this PR)

• Confirm the release note
• Confirm test cases
• Confirm document
• Add branch pick label

[yiguolei]

run buildall

[doris-robot]

Cloud UT Coverage Report

Increment line coverage 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	78.44% (1786/2277)
Line Coverage	64.21% (32014/49856)
Region Coverage	65.04% (16013/24619)
Branch Coverage	55.57% (8527/15344)

[hello-stephen]

BE UT Coverage Report

Increment line coverage 33.18% (143/431) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	52.86% (19556/36994)
Line Coverage	36.18% (182561/504612)
Region Coverage	32.47% (140981/434218)
Branch Coverage	33.68% (61925/183843)

[hello-stephen]

BE Regression && UT Coverage Report

Increment line coverage 86.18% (368/427) 🎉

Increment coverage report
Complete coverage report

Category	Coverage
Function Coverage	72.82% (26369/36209)
Line Coverage	56.10% (282151/502911)
Region Coverage	53.64% (235024/438185)
Branch Coverage	55.39% (102116/184369)