close openOCD after jtag flash end

[brianignacio5]

Description

After JTAG flash finish, close openOCD server.

Fixes #1589

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

Steps to test this pull request

Provide a list of steps to test changes in this PR and required output

1. Click on "ESP-IDF: Flash (with JTag)" to flash a ESP-IDF project with jttag.
2. Execute action. If OpenOCD is not launched a prompt will be ask to launch it.
3. Observe results. After flash end, the openOCD server connection will end.

• Expected behaviour:

• Expected output:

How has this been tested?

Manual steps as described above

Test Configuration:

• ESP-IDF Version: 5.4.1
• OS (Windows,Linux and macOS): macOS

Checklist

• PR Self Reviewed
• Applied Code formatting
• Added Documentation
• Added Unit Test
• Verified on all platforms - Windows,Linux and macOS

[github-actions]

Download the artifacts for this pull request:
You can test these changes by installing this VSIX by click menu View -> Command Palette..., type Install from VSIX and then select downloaded esp-idf-extension.vsix file to install the extension.

• esp-idf-extension.vsix.zip
  Espressif documentation preview

[radurentea]

LGTM

[Fabricio-ESP]

Confirmed OpenOCD is closed after flash is completed.
No regressions when using debug.