Fix typos in Spatial Vignette Rmd

[YoukaiFromAccounting]

This test PR was generated by GPT-5.3-Codex Default:

Summary

This PR fixes typo-level issues in vignettes/
spatial_vignette.Rmd to improve readability and reduce
confusion in the spatial analysis walkthrough. No code paths or
analysis logic were changed.

Changes

• Fixed duplicated wording: which which -> which
• Fixed malformed sctransform paper link to a valid DOI URL
• Corrected grammar: works will -> works well
• Corrected function name in prose:
  • FindSpatiallyVariables() ->
    FindSpatiallyVariableFeatures()
• Corrected punctuation/formatting for method name:
  • method = 'markvariogram -> method = 'markvariogram'
• Corrected spelling:
  • decovonlution -> deconvolution
  • specifiically -> specifically
• Standardized capitalization:
  • visium -> Visium

Scope

• Docs-only text edits in one file:
  • vignettes/spatial_vignette.Rmd

[Copilot]

Pull request overview

Docs-only PR to improve clarity and correctness in the Spatial vignette by fixing typos and correcting references to functions/links used in the spatial analysis walkthrough.

Changes:

• Fixes duplicated/incorrect wording and spelling (e.g., “which which”, “decovonlution”, “specifiically”).
• Updates references/formatting in prose (e.g., FindSpatiallyVariableFeatures(), method = 'markvariogram' formatting).
• Replaces the sctransform paper link with a DOI URL and standardizes capitalization (“Visium”).

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