branch-4.1:[feature](maxcompute) supplement missing writer auth pick from #60649

[hubgeter]

What problem does this PR solve?

Issue Number: N/A

Related PR: #60649, #60905

Problem Summary:
#60649 added support for MaxCompute ram_role_arn and ecs_ram_role authentication on master, and #60905 picked it to branch-4.0. branch-4.1 is based on branch-4.0, but because the MaxCompute write path differs between branches, part of the write-side adaptation was not picked over.

As a result, on branch-4.1, MaxCompute INSERT/write still relied on access_key/secret_key in some code paths, and could not correctly reuse the catalog properties for ram_role_arn or ecs_ram_role authentication.

This PR supplements the missing pick for branch-4.1.

[Thearas]

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[hubgeter]

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FE UT Coverage Report

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[doris-robot]

BE UT Coverage Report

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Category	Coverage
Function Coverage	52.85% (19591/37071)
Line Coverage	36.19% (182643/504739)
Region Coverage	32.49% (141068/434197)
Branch Coverage	33.71% (61944/183766)

[hello-stephen]

BE Regression && UT Coverage Report

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Category	Coverage
Function Coverage	69.51% (25217/36279)
Line Coverage	52.11% (262127/503026)
Region Coverage	49.53% (217037/438168)
Branch Coverage	50.86% (93725/184292)