[lldb-dap] launch the adapter from the workspace folder. (#140604)

if the `cwd` option is empty this means the adapter is created in the
home folder.

Any relative file saved is in the home folder. The files should be
relative to the current workspace folder.

Author: da-viper

lldb/tools/lldb-dap/src-ts/debug-adapter-factory.ts

@@ -184,6 +184,7 @@ export async function createDebugAdapterExecutable(
       ...configEnvironment,
       ...env,
     },
+    cwd: workspaceFolder!!.uri.fsPath,
   };
   const dbgArgs = await getDAPArguments(workspaceFolder, configuration);