Set object-store last-modified time as mtime in lakeFSFS direct access

[arielshaqed]

(This is not possible with presigned URLs, so obviously not done there.)

Closes #8339.

[github-actions]

E2E Test Results - Quickstart

Test failures:
Quickstart › pull requests: common/quickstart.spec.ts quickstart.spec.ts:102:9 pull requests [quickstart] › common/quickstart.spec.ts:102:9 › Quickstart › pull requests ────────────────────── Test timeout of 30000ms exceeded. Error: locator.click: Test timeout of 30000ms exceeded. Call log: - waiting for locator('#pulls-tabs-tab-closed') at poms/pullsPage.ts:44 42 | 43 | async gotoPullsTab(id: string): Promise<void> { > 44 | await this.page.locator(`#pulls-tabs-tab-${id}`).click(); | ^ 45 | } 46 | 47 | async getFirstPullsRowDetails(): Promise<{title: string, description: string}> { at PullsPage.gotoPullsTab (/home/runner/work/lakeFS/lakeFS/webui/test/e2e/poms/pullsPage.ts:44:58) at /home/runner/work/lakeFS/lakeFS/webui/test/e2e/common/quickstart.spec.ts:142:25 attachment #1: trace (application/zip) ───────────────────────────────────────────────────────── test-results/common-quickstart-Quickstart-pull-requests-quickstart/trace.zip Usage: npx playwright show-trace test-results/common-quickstart-Quickstart-pull-requests-quickstart/trace.zip ────────────────────────────────────────────────────────────────────────────────────────────────
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[github-actions]

E2E Test Results - DynamoDB Local - Local Block Adapter