Missing config schema

Problem/Motivation

The configuration inspector shows an error for this module on the config_pages.type.* for context.fallback.domain

Steps to reproduce

• Install configuration inspector
• View a config_pages.type.* object
• See a missing schema notice for context.fallback.domain

Proposed resolution

Add the schema for context.fallback.domain

Remaining tasks

Provide and review patch

User interface changes

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API changes

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Data model changes

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