Try to condition the yamls omewhere else

pipeline-templates/package-vsix.yaml

@@ -77,10 +77,9 @@ jobs:
       Contents: '**\*.binlog'
       TargetFolder: '$(Build.ArtifactStagingDirectory)'
       flattenFolders: false
-  - ${{ if eq(parameters.useOneEngineeringPool, 'true') }}:
-    - template: publish.yaml
-      parameters:
-        pool: ${{ parameters.pool }}
-        SignType: ${{ parameters.SignType }}
-        version: $(GetVersion.version)
-        useOneEngineeringPool: true
+  - template: publish.yaml
+    parameters:
+      pool: ${{ parameters.pool }}
+      SignType: ${{ parameters.SignType }}
+      version: $(GetVersion.version)
+      useOneEngineeringPool: true

pipeline-templates/publish.yaml

@@ -2,10 +2,12 @@ parameters:
   pool: ''
   SignType: ''
   version: ''
+  useOneEngineeringPool: ''
 
 jobs:
   - job: waitForValidation
     displayName: ☁️ Wait for release approval
+    condition: eq('${{ parameters.useOneEngineeringPool }}', 'true')
     pool: server
     timeoutInMinutes: 4320 # job times out in 3 days
     steps:
@@ -15,6 +17,7 @@ jobs:
         instructions: 'Please validate that the release build has been tested, and resume to publish a new version'
         onTimeout: 'reject'
   - job: Publish
+    condition: eq('${{ parameters.useOneEngineeringPool }}', 'true')
     pool:
       ${{ if eq(parameters.useOneEngineeringPool, 'true') }}:
         ${{ parameters.pool }}