Fix: Avoid duplicate key error with time scales at millisecond precision#1756

Merged

plouc merged 4 commits intoplouc:masterfrom vedmakk:master

Feb 18, 2022

+94-28

Commits on Sep 2, 2021

Use timestamp as key for grid lines and axis ticks to support millisecond scales
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committed

Commits on Sep 16, 2021

Explicitly use valueOf() as axis tick / grid line element keys for time scales
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Convert key values always to string and update test snapshot accordingly
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Add time scale with milliseconds precision story to storybook
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