fix: use shx to launch cross-platform commands

Author: chaosmirage

packages/devextreme-angular/package.json

@@ -25,6 +25,7 @@
     "devextreme": "workspace:*"
   },
   "devDependencies": {
+    "shx": "0.4.0",
     "@angular-devkit/architect": "0.1900.2",
     "@angular-devkit/schematics": "17.3.11",
     "@angular/animations": "17.3.12",

packages/devextreme-angular/project.json

@@ -195,7 +195,7 @@
           "pnpm --workspace-root nx build:ngc devextreme-angular",
           "pnpm --workspace-root nx npm:content devextreme-angular",
           "pnpm --workspace-root nx npm:package-json devextreme-angular",
-          "test \"$WITH_DESC\" != \"true\" || pnpm --workspace-root run angular:inject-descriptions",
+          "shx test \"$WITH_DESC\" != \"true\" || pnpm --workspace-root run angular:inject-descriptions",
           "pnpm --workspace-root nx npm:pack-npm-dist devextreme-angular",
           "pnpm --workspace-root nx update-node-modules-with-npm-dist devextreme-angular"
         ],