Regression: Decreased tolerance to column names matching SQL keywords

Related to: https://github.com/apache/datafusion/issues/17802

Between versions `0.57.0` and `0.58.0` there appears to be a regression that decreased parser tolerance to column names that collide with SQL keywords.

Example:
```rust
use sqlparser::dialect::GenericDialect;
use sqlparser::parser::Parser;

fn main() {
let dialect = GenericDialect {}; // or AnsiDialect

let sql = r#"
SELECT
'a' as a,
offset
FROM my_table
"#;

let ast = Parser::parse_sql(&dialect, sql).unwrap();
println!("AST: {:#?}", ast);
}
```

This works on version `0.57.0`, but fails on `0.58.0` with error:
```
ParserError("Expected: end of statement, found: my_table at Line: 5, Column: 14")
```

These queries work fine, which adds some confusing inconsistency into the mix:
```sql
SELECT
offset
FROM my_table
```
```sql
SELECT
offset,
'a' as a
FROM my_table
```

Start by reproducing the reported query with GenericDialect and AnsiDialect on versions 0.57.0 and 0.58.0, then compare the parser behavior around the offset column and FROM clause. Trace the parser entry points reached by this example and add a regression test covering the failing query; done means the query parses consistently without breaking the working variants.

Written by the indexing model from the issue text.