build: don't apply cli 'patches' for merge check (#184210)

* build: don't apply cli 'patches' for merge check

This also needed modules installed. But with the new toml patches, the 'merge' will never fail outright, so there's no need to do a separate merge check for it imo

* reduce duplication in pipelines, cache node_modules

build/azure-pipelines/linux/cli-build-linux.yml

@@ -17,16 +17,7 @@ steps:
       versionSpec: "16.x"
 
   - ${{ if ne(parameters.VSCODE_QUALITY, 'oss') }}:
-    - template: ../distro/download-distro.yml
-
-    - script: |
-        set -e
-        yarn --frozen-lockfile --ignore-optional
-      workingDirectory: build
-      displayName: Install pipeline build
-
-    - script: node build/azure-pipelines/distro/apply-cli-patches
-      displayName: Apply distro patches
+    - template: ../cli/cli-apply-patches.yml
 
   - task: Npm@1
     displayName: Download openssl prebuilt