## Description
Implemented Get Structure for MSSQL Plugin.
Refactored the existing code for MSSQL Plugin. Added the following
- `MssqlDatasourceUtils` - contains the utilities for getting
connection, logging Hikari CP Status and getting DB schema structure and
templates
- `MssqlExecuteUtils` - contains utilities for populating rows and
columns, and closing connection after query execution
- `MssqlTestDBContainerManager` - Test helper to create container,
datasource configuration and run queries for MSSQL unit tests
#### PR fixes following issue(s)
Fixes#16014
#### Media
<img width="1438" alt="Screenshot 2023-05-19 at 9 36 07 AM"
src="https://github.com/appsmithorg/appsmith/assets/28753975/aec5fe31-e3e1-43b4-a946-dfc946dcfd05">
#### Type of change
- New feature (non-breaking change which adds functionality)
- This change requires a documentation update
## Testing
>
#### How Has This Been Tested?
> Please describe the tests that you ran to verify your changes. Also
list any relevant details for your test configuration.
- [x] Manual
- [x] JUnit
>
>
#### Test Plan
> Add Testsmith test cases links that relate to this PR
>
>
#### Issues raised during DP testing
> Link issues raised during DP testing for better visiblity and tracking
(copy link from comments dropped on this PR)
>
>
>
## Checklist:
#### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag
#### QA activity:
- [ ] [Speedbreak
features](https://github.com/appsmithorg/TestSmith/wiki/Test-plan-implementation#speedbreaker-features-to-consider-for-every-change)
have been covered
- [ ] Test plan covers all impacted features and [areas of
interest](https://github.com/appsmithorg/TestSmith/wiki/Guidelines-for-test-plans/_edit#areas-of-interest)
- [ ] Test plan has been peer reviewed by project stakeholders and other
QA members
- [ ] Manually tested functionality on DP
- [ ] We had an implementation alignment call with stakeholders post QA
Round 2
- [ ] Cypress test cases have been added and approved by SDET/manual QA
- [ ] Added `Test Plan Approved` label after Cypress tests were reviewed
- [ ] Added `Test Plan Approved` label after JUnit tests were reviewed
3c688e772b