Task(1052129):User guide documentation for WPF AIAssistView EmptyView feature support

[Jayasri-Srinivasan]

Description

This Pull Request includes the User Guide Documentation for WPF AI AssistView EmptyView Feature Support

AI Usage

Code Studio used in this PR/MR?

• Yes
• No

If Yes: Primary use (choose one)

• Generate new code
• Refactor/improve existing code
• Tests
• Bug fix / debugging help
• Docs / comments
• Review assistance (explanations/summaries)
• Other

Outcome

• Saved time (AI made development faster)
• Neutral (No major difference)
• Cost time (AI slowed things down)

If Cost time: Provide one line explanation

EmptyView Support Image

[SyncfusionBuild]

Build Status: INQUEUE 🕒
Build Location: AiAssistView-EmptyView-Feature

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: AiAssistView-EmptyView-Feature

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: FAILURE ❌
Failure Reason: Compilation Error
Build Location: AiAssistView-EmptyView-Feature
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 0
MD File Encoding Error(s): 0
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 1
MD Tag Validation Error(s): 0

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: AiAssistView-EmptyView-Feature

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: AiAssistView-EmptyView-Feature
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 0
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 0
MD File Encoding Error(s): 0
File Path Error(s): 1
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0