983306: Re-structing the Drag and drop section of File uploader.

[Yuvan111]

Title

Re-structing the Drag and drop section of File uploader.

Task Link

UG documentation 983306: Need to Re-structing the blazor file uploader section with latest use case

Ticket Link

Internal improvement

What corrected?

Content correction with proper sample codes.

Screenshot or Gif

Nil

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: 983306-dev-dad-fu

[SyncfusionBuild]

CI Status: FAILURE ❌
Source Compilation: SUCCESS ✅
Failure Reason: CI Failure with violation
Build Location: 983306-dev-dad-fu
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
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

[SyncfusionBuild]

Build Status: INPROGRESS 🔃
Build Location: 983306-dev-dad-fu

[SyncfusionBuild]

CI Status: SUCCESS ✅
Source Compilation: SUCCESS ✅
Build Location: 983306-dev-dad-fu
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
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