Automated Resyntax fixes

[resyntax-ci]

This is an automated change generated by Resyntax.

Pass 1

Applied 2 fixes to drracket/drracket/private/syncheck/online-comp.rkt

• Line 2, tidy-require: Keep imports in require sorted and grouped by phase, with collections before files.
• Line 70, when-expression-in-for-loop-to-when-keyword: Use the #:when keyword instead of when to reduce loop body indentation.

Applied 11 fixes to drracket/drracket/private/syncheck/gui.rkt

• Line 21, tidy-require: Keep imports in require sorted and grouped by phase, with collections before files.
• Line 385, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2141, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2192, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2356, inline-unnecessary-define: This variable is returned immediately and can be inlined.
• Line 2464, define-lambda-to-define: The define form supports a shorthand for defining functions.
• Line 2612, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2640, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2650, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2726, cond-let-to-cond-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2755, flat-contract-migration: flat-contract is a legacy form for constructing contracts from predicates; predicates can be used directly as contracts now.

Applied 1 fix to drracket/drracket/private/syncheck/intf.rkt

• Line 3, tidy-require: Keep imports in require sorted and grouped by phase, with collections before files.

Pass 2

Applied 5 fixes to drracket/drracket/private/syncheck/gui.rkt

• Line 21, tidy-require: Keep imports in require sorted and grouped by phase, with collections before files.
• Line 387, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2142, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2640, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.
• Line 2650, let-to-define: Internal definitions are recommended instead of let expressions, to reduce nesting.

Pass 3

Applied 1 fix to drracket/drracket/private/syncheck/gui.rkt

• Line 21, tidy-require: Keep imports in require sorted and grouped by phase, with collections before files.

Summary

Fixed 20 issues in 3 files.

• Fixed 10 occurrences of let-to-define
• Fixed 5 occurrences of tidy-require
• Fixed 1 occurrence of inline-unnecessary-define
• Fixed 1 occurrence of define-lambda-to-define
• Fixed 1 occurrence of cond-let-to-cond-define
• Fixed 1 occurrence of flat-contract-migration
• Fixed 1 occurrence of when-expression-in-for-loop-to-when-keyword

[jackfirth]

These formatting changes, and the ones below, are because the inline-unnecessary-define rule reformatted this entire definition context. Opened jackfirth/resyntax#339 to fix that.