refactor Term

fixes some issues with Term
Remove duplicate calls to truncate or resize
Replace Magic Number 5 with constant
Enforce minimum size of 5 for metadata
Fix broken truncate docs
use constructor instead new + set calls
normalize constructor stack
replace assert on internal behavior fixes #1585

src/query/query_parser/query_parser.rs

@@ -734,9 +734,8 @@ fn generate_literals_for_json_object(
     index_record_option: IndexRecordOption,
 ) -> Result<Vec<LogicalLiteral>, QueryParserError> {
     let mut logical_literals = Vec::new();
-    let mut term = Term::new();
-    let mut json_term_writer =
-        JsonTermWriter::from_field_and_json_path(field, json_path, &mut term);
+    let mut term = Term::with_capacity(100);
+    let mut json_term_writer = JsonTermWriter::from_json_path(json_path, field, &mut term);
     if let Some(term) = convert_to_fast_value_and_get_term(&mut json_term_writer, phrase) {
         logical_literals.push(LogicalLiteral::Term(term));
     }