v2 unstake, limited to 1 place of precision.

[0xMaka]

Steps to reproduce:
Attempt to to unstake 0.0n amount
Actual result:
Cannot enter more than 1 place. ie. 0.n
Expected result:
Able to enter amounts to 18 points of precision.

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Source URL: https://www.sushi.com/earn/gno:0x0f9d54d9ee044220a3925f9b97509811924fd269/remove

Issue details: Open in Marker.io

Console: 📃 0 logs

Device type	desktop
Browser	Chrome 107.0.0.0
Screen Size	1067 x 784
OS	Windows 10.0.0
Viewport Size	1065 x 784
Zoom Level	100%
Pixel Ratio	@​1x

[ai-slave]

Remove liquidity doesn't allow anything less than 1 at all, dot is not being added when you press it