DEVX-8065/DEVX-7991: Verify2 SMS Updates

[superchilled]

This PR adds some properties to the SMS channel object for Verify2. Specifically it:

• Adds a from property
• Adds a content_id property
• Adds a entity_id property
• Adds unit tests for the new properties

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4636c34) 98.05% compared to head (5c32d05) 98.06%.

:exclamation: Current head 5c32d05 differs from pull request most recent head 64dd0c1. Consider uploading reports for the commit 64dd0c1 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #303 +/- ## ======================================= Coverage 98.05% 98.06% ======================================= Files 119 119 Lines 2160 2170 +10 ======================================= + Hits 2118 2128 +10 Misses 42 42 ```

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