All commands need the `ai_handler` argument. The PRConfig class was missing it in the `__init__` method and so it failed with this error:
```
File "/home/vcap/app/pr_agent/agent/pr_agent.py", line 76, in handle_request
await command2class[action](pr_url, ai_handler=self.ai_handler, args=args).run()
TypeError: PRConfig.__init__() got an unexpected keyword argument 'ai_handler'
```
The `bitbucket_server_provider.py` uses structural pattern matching that was introduced in python 3.10, and so trying to run any command with python 3.9 will fail (because we import all the providers right at the top of `pr_agent.git_providers`)
- Update `create_inline_comment` method in various git providers to include `absolute_position` parameter
- Remove `create_inline_comment` method from providers that do not support inline comments
- Enhance `find_line_number_of_relevant_line_in_file` function to handle absolute position
- Modify `pr_code_suggestions.py` to handle improved code inclusion in suggestions
- Add `include_improved_code` configuration option in `configuration.toml` and update documentation accordingly
- Update key names in pr_code_suggestions.py to use snake_case for consistency
- Implement removal of invalid suggestions where existing code is equal to improved code
- Update YAML parsing in _prepare_pr_code_suggestions method to include keys_fix_yaml parameter
- Refactor push_inline_code_suggestions method to use updated key names
- Update _prepare_prediction_extended method to use new key names
- Refactor _prepare_markdown method to include suggestion label and use updated key names
- Update instructions and YAML schema in pr_code_suggestions_prompts.toml to reflect changes in pr_code_suggestions.py
- Remove redundant removal of invalid suggestions in rank_suggestions method
