v0.4.0-rc.6

What's Changed

• fix: wrong unit displayed in claim rewards modal by @jrwbabylonlab in #626
• fix: should not show staking form if not enabled by @jrwbabylonlab in #627
• chore: use gas price from env by @jrwbabylonlab in #619

Full Changelog: v0.4.0-rc.5...v0.4.0-rc.6