Add support for member locking

[BenyaminBen]

Closes #11
Closes #12

Mirror of PR#3409 (author: @SanjulaGanepola)

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Changes

This PR adds support for member locking using a shared-update lock (*SHRUPD) that is allocated on reads and deallocated when we close the editor. This is an opt in setting meaning it is disabled by default.

This has been requested in Issue#1688 and Issue#2409

How to test this PR

1. Debug the extension using this branch.
2. Navigate to the connection settings and enable Member Locking under the Source Code tab.
3. Open a member.
4. Launch a separate VS Code window running the release version of Code4i.
5. Attempt to open the same member in this new window and observe the member is locked.
6. In the first window, disable the setting.
7. In the second window, reattempt to open the member and observe that it can be opened.

Checklist

• have tested my change
• have created one or more test cases
• updated relevant documentation

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📥 Commits

Reviewing files that changed from the base of the PR and between 0c786aa and a833dd7.

📒 Files selected for processing (6)

• src/api/configuration/config/ConnectionManager.ts
• src/api/configuration/config/types.ts
• src/api/memberLocks.ts
• src/api/tests/suites/memberLocks.test.ts
• src/filesystems/qsys/QSysFs.ts
• src/webviews/settings/index.ts

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