ng serve command changing default integrated terminal in VS Code from 1:cmd to 1:node & stops detecting file changes

[richierich25]

Versions

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If nothing, output from: `node --version` and `npm --version`.
  Windows (7/8/10). Linux (incl. distribution). macOS (El Capitan? Sierra?)
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```Angular CLI: 1.6.0
Node: 8.4.0
OS: win32 x64
Angular: 5.1.0
... animations, common, compiler, compiler-cli, core, forms
... http, language-service, platform-browser
... platform-browser-dynamic, router

@angular/cli: 1.6.0
@angular-devkit/build-optimizer: 0.0.35
@angular-devkit/core: 0.0.22
@angular-devkit/schematics: 0.0.41
@ngtools/json-schema: 1.1.0
@ngtools/webpack: 1.9.0
@schematics/angular: 0.1.10
@schematics/schematics: 0.0.10
typescript: 2.4.2
webpack: 3.10.0

<Windows>
Windows 10

<Visual Studio Code>
Version: 1.18.1

### Repro steps
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Simple steps to reproduce this bug.
Please include: commands run, packages added, related code changes.
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* Step 1 From the Integrated Terminal in VS Code (displaying 1: cmd),, Type `ng serve --open`
* Step 2 This serves the application but changes the intetegrated terminal to (1:node)
* Step 3 Any change in files is not detected & webpack stops compiling automatically


### Observed behavior

The Integrated Terminal changes from 1:cmd to 1:node automatically. Also stops detecting changes & never recompiles on saving changes. 


### Desired behavior
<!--
What would like to see implemented? 
The cmd should remain unchanges and should not trigger the node terminal by itself when using ng serve command.
What is the usecase?
What did you expect to see?
-->


### Mention any other details that might be useful (optional)
Although External Terminal is working fine and is able to detect changes as well . Only the integrated terminal is showing an issue.

[filipesilva]

I'm sorry, I don't know what problem you are experiencing with the VS Code terminals but I don't think it has anything to do with Angular CLI. We don't have any terminal integrations or anything of the sort.

You should open an issue in their issue tracker instead (https://github.com/Microsoft/vscode).

Regarding problems that may cause live reloads to stop working, please check #1610 instead.

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