fix(replays): add timestamp_ms to issue platform in snuba event columns

[cvxluo]

Forgot to add timestamp_ms to the issue_platform event schema in #98322, will likely need to go in after getsentry/snuba#7373.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
27555	1	27554	597

View the top 1 failed test(s) by shortest run time

tests.sentry.replays.endpoints.test_organization_replay_events_meta.OrganizationEventsMetaTest::test_rage_clicks

Stack Traces | 5.14s run time

#x1B[1m#x1B[.../replays/endpoints/test_organization_replay_events_meta.py#x1B[0m:131: in test_rage_clicks
    assert sorted(response.data["data"], key=lambda v: v["id"]) == expected
#x1B[1m#x1B[31mE   AssertionError: assert [{'error.type...d': 189, ...}] == [{'error.type...d': 189, ...}]#x1B[0m
#x1B[1m#x1B[31mE     #x1B[0m
#x1B[1m#x1B[31mE     At index 0 diff: {'issue.id': 189, 'error.type': '', 'level': 'error', 'timestamp': '2025-09-02T23:10:35+00:00', 'id': 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'title': 'Rage Click', 'project.name': 'bar', 'issue': 'BAR-1'} != {'error.type': '', 'id': 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa', 'issue.id': 189, 'issue': 'BAR-1', 'level': 'error', 'project.name': 'bar', 'timestamp': '2025-09-02T23:10:35.123000+00:00', 'title': 'Rage Click'}#x1B[0m
#x1B[1m#x1B[31mE     #x1B[0m
#x1B[1m#x1B[31mE     Full diff:#x1B[0m
#x1B[1m#x1B[31mE       [#x1B[0m
#x1B[1m#x1B[31mE           {#x1B[0m
#x1B[1m#x1B[31mE               'error.type': '',#x1B[0m
#x1B[1m#x1B[31mE               'id': 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa',#x1B[0m
#x1B[1m#x1B[31mE               'issue': 'BAR-1',#x1B[0m
#x1B[1m#x1B[31mE               'issue.id': 189,#x1B[0m
#x1B[1m#x1B[31mE               'level': 'error',#x1B[0m
#x1B[1m#x1B[31mE               'project.name': 'bar',#x1B[0m
#x1B[1m#x1B[31mE     -         'timestamp': '2025-09-02T23:10:35.123000+00:00',#x1B[0m
#x1B[1m#x1B[31mE     ?                                          -------#x1B[0m
#x1B[1m#x1B[31mE     +         'timestamp': '2025-09-02T23:10:35+00:00',#x1B[0m
#x1B[1m#x1B[31mE               'title': 'Rage Click',#x1B[0m
#x1B[1m#x1B[31mE           },#x1B[0m
#x1B[1m#x1B[31mE       ]#x1B[0m

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