Nothing return type (#9935)

# Description
Fix #9928. When parsing input/output types `nothing` was incorrectly
coerced to `any`. This is addressed by changing how
[to_type](0ad1ad4277/crates/nu-protocol/src/syntax_shape.rs (L121))
method handles `nothing` syntax shape. Also `range` syntax shape is
addressed the same way.

# User-Facing Changes
`nothing` and `range` are correctly displayed in help and strictly
processed by type checking. This will break definitions that were not in
fact output nothing or range and incorrect uses of functions which input
nothing or range.

Examples of correctly defined functions:

![image](https://github.com/nushell/nushell/assets/17511668/d9f73438-d8a7-487f-981a-7e791b42766e)

![image](https://github.com/nushell/nushell/assets/17511668/2d5fe3a2-94be-4d25-9522-2ea38e528fe4)

Examples of incorrect definitions and uses of functions:

![image](https://github.com/nushell/nushell/assets/17511668/6a2f9fba-abfa-47fe-8b53-bb348e532cd8)

![image](https://github.com/nushell/nushell/assets/17511668/b1fbf9f6-fd75-4b80-9f38-26cc7c2ecc25)

![image](https://github.com/nushell/nushell/assets/17511668/718ef98b-3d7a-433d-af97-39a225ef34e5)


# Tests + Formatting
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crates/nu-protocol/src/syntax_shape.rs

@@ -152,11 +152,11 @@ impl SyntaxShape {
             SyntaxShape::MatchBlock => Type::Any,
             SyntaxShape::MatchPattern => Type::Any,
             SyntaxShape::MathExpression => Type::Any,
-            SyntaxShape::Nothing => Type::Any,
+            SyntaxShape::Nothing => Type::Nothing,
             SyntaxShape::Number => Type::Number,
             SyntaxShape::OneOf(_) => Type::Any,
             SyntaxShape::Operator => Type::Any,
-            SyntaxShape::Range => Type::Any,
+            SyntaxShape::Range => Type::Range,
             SyntaxShape::Record(entries) => Type::Record(mk_ty(entries)),
             SyntaxShape::RowCondition => Type::Bool,
             SyntaxShape::Boolean => Type::Bool,