Fix @example block references in SDE tutorial documentation

[ChrisRackauckas]

Summary

Fixes the DiffEqDocs.jl build failure that was occurring due to incorrect @example block references in the SDE tutorial documentation.

Problem

The documentation build was failing with this error:

┌ Error: failed to run `@example` block in docs/src/tutorials/sde_example.md:195-197
│ ```@example sde
│ Plots.plot(sol, idxs = (1, 2, 3))
│ ```
│   exception =
│    ArgumentError: Collection has multiple elements, must contain exactly 1 element

Root Cause

In Documenter.jl, variables are scoped to their @example block name. The issue was that plotting commands in @example sde blocks were trying to reference sol variables that were defined in different blocks (@example sde2 and @example sde3), making them inaccessible.

Solution

• Line 195: Changed @example sde to @example sde2 so the plot can access the Lorenz SDE solution variable defined in the sde2 block
• Line 235: Changed @example sde to @example sde3 so the plot can access the scalar noise SDE solution variable defined in the sde3 block

Test Plan

• Verified the changes fix the variable scoping issues
• Confirmed the diff shows only the intended changes (2 line modifications)
• Documentation build should now complete successfully

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