fix: removes code execution indicator when process is terminated (#368)

If the debugger is standing on a line and DBGp connection is interrupted (for example, php process terminated) the thread will go away, but the execution indicator will stay. Signaling a continued event before Thread exit solves this.

Co-authored-by: Damjan Cvetko <damjan.cvetko@monotek.net>
Co-authored-by: Felix Becker <felix.b@outlook.com>

src/phpDebug.ts

@@ -270,6 +270,7 @@ class PhpDebugSession extends vscode.DebugSession {
                                         )
                                     )
                                 }
+                                this.sendEvent(new vscode.ContinuedEvent(connection.id, false))
                                 this.sendEvent(new vscode.ThreadEvent('exited', connection.id))
                                 connection.close()
                                 this._connections.delete(connection.id)