Migrate datafusion/sql tests to insta, part4 (apache#15548)

* WIP: all `quick_test` migrated to `insta`

* Remove `quick_test_with_options()`

* resolve comments

* Refactor SQL integration tests for decimal parsing and identifier normalization

* replace `generate_logical_plan()` to `logical_plan().unwrap()`

* Strip backtrace from logical plan error in SQL integration test

Author: qstommyshu