change Type::Float => SyntaxShape::Number to SyntaxShape::Float (#10689)

# Description

This PR changes `Type::Float` to point at `SyntaxShape::Float` instead
of `SyntaxShape::Number`.

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crates/nu-protocol/src/ty.rs

@@ -89,7 +89,7 @@ impl Type {
 
         match self {
             Type::Int => SyntaxShape::Int,
-            Type::Float => SyntaxShape::Number,
+            Type::Float => SyntaxShape::Float,
             Type::Range => SyntaxShape::Range,
             Type::Bool => SyntaxShape::Boolean,
             Type::String => SyntaxShape::String,