Use Compose 1.7.8 artifacts

[conradev]

Summary

• align the Compose foundation/UI/material icon artifacts with the published 1.7.8 release so the Android build can resolve dependencies

Testing

• ./gradlew :Android:lint --console=plain
• ./gradlew test --console=plain

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https://chatgpt.com/codex/tasks/task_e_68eb059e922c8325a1e85574f5f13593

[cursor]

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[cursor]

Bug: Clock Import Error Causes Compilation Failure

The import changed from kotlinx.datetime.Clock to kotlin.time.Clock, but the code still uses Clock.System.now(). kotlin.time.Clock lacks the System property and is for measuring elapsed time, not current timestamps. This will cause a compilation error, as database operations expect kotlinx.datetime.Instant types.