Use offline installer for smoke tests

Author: mhegazy

.github/workflows/swift-toolchain.yml

@@ -5178,10 +5178,10 @@ jobs:
     runs-on: ${{ inputs.default_build_runner }}
 
     steps:
-      - name: Download Swift SDK Installer (${{ inputs.release && 'online' || 'offline' }})
+      - name: Download Swift SDK Installer (offline)
         uses: actions/download-artifact@v4
         with:
-          name: Windows-${{ inputs.build_arch }}-installer-${{ inputs.release && 'online' || 'offline' }}
+          name: Windows-${{ inputs.build_arch }}-installer-offline
           path: ${{ github.workspace }}/tmp
 
       # TODO(compnerd): migrate this to compnerd/gha-setup-swift after the work that @mangini is doing is completed
@@ -5295,10 +5295,10 @@ jobs:
         arch: [ x86_64, aarch64 ]
 
     steps:
-      - name: Download Swift SDK Installer (${{ inputs.release && 'online' || 'offline' }})
+      - name: Download Swift SDK Installer (offline)
         uses: actions/download-artifact@v4
         with:
-          name: Windows-${{ inputs.build_arch }}-installer-${{ inputs.release && 'online' || 'offline' }}
+          name: Windows-${{ inputs.build_arch }}-installer-offline
           path: ${{ github.workspace }}/tmp
 
       # TODO(compnerd): migrate this to compnerd/gha-setup-swift after the work that @mangini is doing is completed