fix: fix glow on voting power input

[MarkNerdi996]

Summary

Fixes the issue that if glow are selected for voting power, decimals are displayed

Changelog

- fix max amount of decimals on amount input
- fix reset of errors on amount input
- fix button type on dropdown such that it doesnt submit anymore

Testing

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[Tuditi]

Small thing to remove, otherwise it works fine!

[Tuditi]

LGTM!