[Enhancement] Additional edge padding for Warning Screen body text

[kdmukai]

The problem

Current Warning Screens use the standard GUIConstants.EDGE_PADDING for the left and right limits for the body text. But the pulsing yellow or red warning edges fill that edge padding. Depending on the line breaks, text can potentially directly touch the pulsing warning edges.

The fix

Double the default edge padding for Warning Screens.

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Before / After
(unfortunately we can't currently render the yellow/red warning edges, so just imagine the edges being filled in)

This change affects all Warning Screens, so you must regenerate screenshots to see the changes.

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Additional changes

• Adds a screenshot for the generic ErrorView
• Pulls the more general errors out into their own section at the end of the screenshot generator output
• Renames the example SettingsQR since "factory reset" terminology only makes sense for a retail product.

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Follow-up steps

If merged, generate new screenshots and update https://github.com/SeedSigner/seedsigner-screenshots

[jdlcdl]

As of 0883c8e

ACK tested

I used an invalid qrcode and it was easy to see this improvement (SettingsQR via Seeds/ScanSeed).

[newtonick]

ACK Tested