fix: error UI styling bug

[alex-mcgovern]

Fixes a bug where the error fallback UI was not capped to the same max width as the rest of the UI.

Also makes it more consistent by re-using a generic "EmptyState" component that is used elsewhere in the UI already.

Before

After

Closes #299

[coveralls]

Pull Request Test Coverage Report for Build 13281241574

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall first build on fix/error-state-styling-bug at 67.507%

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Totals
Change from base Build 13281100678:	67.5%
Covered Lines:	786
Relevant Lines:	1092

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💛 - Coveralls