Fix typos by codespell (#7600)

# Description

Found via `codespell -S target -L
crate,ser,numer,falsy,ro,te,nd,bu,ndoes,statics,ons,fo,rouge,pard`

# User-Facing Changes

None.

# Tests + Formatting

None and done.

# After Submitting

None.

crates/nu-command/src/dataframe/series/string/replace.rs

@@ -86,7 +86,7 @@ fn command(
     let series = df.as_series(call.head)?;
     let chunked = series.utf8().map_err(|e| {
         ShellError::GenericError(
-            "Error convertion to string".into(),
+            "Error conversion to string".into(),
             e.to_string(),
             Some(call.head),
             None,

crates/nu-command/src/dataframe/series/string/replace_all.rs

@@ -86,7 +86,7 @@ fn command(
     let series = df.as_series(call.head)?;
     let chunked = series.utf8().map_err(|e| {
         ShellError::GenericError(
-            "Error convertion to string".into(),
+            "Error conversion to string".into(),
             e.to_string(),
             Some(call.head),
             None,

crates/nu-command/src/dataframe/values/nu_expression/mod.rs

@@ -126,7 +126,7 @@ impl NuExpression {
         expr_to_value(self.as_ref(), span)
     }
 
-    // Convenient function to extrac multiple Expr that could be inside a nushell Value
+    // Convenient function to extract multiple Expr that could be inside a nushell Value
     pub fn extract_exprs(value: Value) -> Result<Vec<Expr>, ShellError> {
         ExtractedExpr::extract_exprs(value).map(ExtractedExpr::into_exprs)
     }