fix: show connection request with unavailable name [WPB-6247]

[Garzas]

WPB-6247 [Android] Incoming connection request from offline backend not displayed when backend is available again

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• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

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What's new in this PR?

Issues

Connection requests with incomplete user data shows empty text in user name

Solutions

When user has incomplete data show name not available username text

Attachments (Optional)

Attachments like images, videos, etc. (drag and drop in the text box)

Before	After

[AndroidBob]

Build 3167 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8911234)(8911234)-staging-compat.apk

[github-actions]

Test Results

12 tests   12 ✅  0s ⏱️
 3 suites   0 💤
 3 files     0 ❌

Results for commit 727843d.

♻️ This comment has been updated with latest results.

[AndroidBob]

Build 3177 failed.

[AndroidBob]

Build 3183 failed.

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 3184 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8912825)(8912825)-staging-compat.apk