[PM-36838] Render DeviceType display name in event integration templates

[lastbestdev]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-36838

Relates to bitwarden/clients#21600

📔 Objective

The #DeviceType# integration template token resolved to the DeviceType enum member identifier (e.g. "ChromeExtension") because ReplaceTokens calls .ToString() on the value. Expose the [Display(Name)] value via GetDisplayName() so rendered event payloads show the friendly name (e.g. "Chrome Extension") instead.

📸 Screenshots

Event sent to Splunk (see "deviceName" value. "Chrome" is the display value for the "ChromeBrowser" device type enum member)

[github-actions]

🤖 Bitwarden Claude Code Review

Overall Assessment: APPROVE

Reviewed a focused bugfix that changes IntegrationTemplateContext.DeviceType from the raw DeviceType? enum to Event.DeviceType?.GetDisplayName(), so event integration templates render the friendly [Display(Name)] value (e.g. "Chrome Extension") instead of the enum identifier ("ChromeExtension"). Traced the token-replacement path in IntegrationTemplateProcessor.ReplaceTokens, confirmed the property is only consumed via reflection-based token substitution, and verified GetDisplayName safely falls back to the enum name when no [Display] attribute exists. Null handling and DeviceTypeId behavior are preserved and covered by new unit tests.

No security, correctness, breaking-change, or performance concerns were found.

Code Review Details

No findings. The change is small, well-scoped, and appropriately tested for both the set and null device-type cases.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.46%. Comparing base (3a88797) to head (9d86481).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #8011   +/-   ##
=======================================
  Coverage   62.45%   62.46%           
=======================================
  Files        2293     2293           
  Lines       99797    99797           
  Branches     9007     9008    +1     
=======================================
+ Hits        62330    62336    +6     
+ Misses      35295    35288    -7     
- Partials     2172     2173    +1     

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