WPF-1046466 - How To files updated based on the FrontMatter Guidelines

[SathiyathanamSathish]

I have updated the front matter. As per the guidelines below, we need to update the front matter for all our controls across all platforms.

Guidelines: Front Matter Guidelines

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: WPF-1046466-1

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: WPF-1046466-1
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 1
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 30
File Path Error(s): 0
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0

[SyncfusionBuild]

Build Status: INQUEUE 🕒
Build Location: WPF-1046466-1

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: WPF-1046466-1

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: WPF-1046466-1
Technical Error(s): 0
Spelling Error(s): 0
Image Alt Text Error(s): 1
Image Size Error(s): 0
Image Name Error(s): 0
Front matter Error(s): 54
File Path Error(s): 0
CodeSnippet File Path Missing Error(s): 0
Toc Anchor Tags Validation Error(s): 0
MD Tag Validation Error(s): 0