1052419: Updated title, meta properties, canonical url in App.razor file

[Backiaraj]

Description

Updated title, meta properties, canonical url in App.razor file

Root cause

In Showcase sample, several SEO-related elements are absent. Kindly incorporate the pertinent missing details into the sample's App.razor file.

Samples/Area Affected

handled in App.razor file

Code Studio usage(Mandatory)

• Code Studio used in this PR/MR?

  • Yes
  • No

• If Yes: Primary use (choose one)

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

• Outcome

  • Saved time
  • Neutral
  • Cost time

• If “Cost time” explain in short (1 or 2 lines):

Type of Change

• New sample/demo
• Update to existing sample
• Bug fix (broken demo, link rot, console errors)
• Structural change (folders, routing, nav, search index)
• Content improvement (copy, captions, code comments)
• Build/tooling/config change
• Other (describe):

Visual Diffs (Screenshots / GIFs)

NA

UI Compliance

• Works in light & dark themes
• Responsive layout: mobile, tablet, desktop
• Localization working properly.

Reviewer Checklist

• Reviewed the provided Code Studio usages related information.
• Code changes follow component/sample guidelines
• All provided information reviewed and verified