fix(spawn): resolve relative paths to prevent ENOENT errors

Some node installations have trouble with relative paths passed to child_process.spawn() - so in those cases we resolve the full path instead.

ref #5649

Author: rigor789

lib/common/child-process.ts

@@ -1,4 +1,5 @@
 import * as child_process from "child_process";
+import { resolve } from "path";
 import { EventEmitter } from "events";
 import {
 	IChildProcess,
@@ -76,6 +77,11 @@ export class ChildProcess extends EventEmitter implements IChildProcess {
 		args?: string[],
 		options?: any
 	): child_process.ChildProcess {
+		if (command.charAt(0) === ".") {
+			// resolve relative paths to full paths to avoid node Spawn ENOENT errors on some setups.
+			const cwd = options?.cwd ?? process.cwd();
+			command = resolve(cwd, command);
+		}
 		this.$logger.debug(
 			"spawn: %s %s",
 			command,