fix missing text

Author: SteveL-MSFT

lib/dsc-lib/locales/en-us.toml

@@ -572,6 +572,7 @@ indexNotValid = "Index is not a valid number"
 indexOutOfBounds = "Index is out of bounds"
 indexOnNonArray = "Index access on non-array value"
 invalidIndexType = "Invalid index type"
+propertyNameNotString = "Property name is not a string"
 
 [parser.functions]
 foundErrorNode = "Found error node parsing function"

lib/dsc-lib/src/parser/expressions.rs

@@ -83,7 +83,7 @@ impl Expression {
                             },
                             "propertyName" => {
                                 let Some(string_node) = index_value.child_by_field_name("string") else {
-                                    return Err(DscError::Parser(t!("parser.expression.propertyNameNotFound").to_string()));
+                                    return Err(DscError::Parser(t!("parser.expression.propertyNameNotString").to_string()));
                                 };
                                 let value = string_node.utf8_text(statement_bytes)?;
                                 debug!("{}", t!("parser.expression.propertyNameValue", value = value : {:?}));