Misc ux fixes

[marcelfolaron]

Link to ticket

#2388
#2379
#2388

Description

• Improves zero state for new users
• Sets focus on comment text box when activates
• Fixes missing ticket values on validation errors

Screenshot of the result

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Checklist

• My code passes all test cases.
• My code passes our static analysis suite.
• My code passes our continuous integration process.

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should be exempt from the list.

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