The `DebugConfigurationProvider` was overwriting configurations provided
in `launch.json`. In particular, this for example prevented from specifying a
custom port for the debugger.
Example `launch.json`
```
{
"configurations": [
{
"type": "wamr-debug",
"request": "attach",
"name": "Attach Debugger",
"stopOnEntry": true,
"attachCommands": [
"process connect -p wasm connect://127.0.0.1:1237"
]
}
]
}
```
Co-authored-by: Ben Riegel <benjuri@amazon.com>
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