fix: Unified Swap can_submit and input_value properties

[micaelae]

Explanation

Changes

• Require clients to pass in the can_submit property when publishing QuoteSelected, AllQuotesSorted, AllQuotesOpened and QuotesReceived events. The value should indicate whether the CTA button is enabled
• Rename the InputChanged event's value property key to input_value

References

Changelog

Checklist

• I've updated the test suite for new or updated code as appropriate
• I've updated documentation (JSDoc, Markdown, etc.) for new or updated code as appropriate
• I've communicated my changes to consumers by updating changelogs for packages I've changed, highlighting breaking changes as necessary
• I've prepared draft pull requests for clients and consumer packages to resolve any breaking changes