Fix syntax in macos.yml secret conditionals

Author: Soddentrough

.github/workflows/macos.yml

@@ -28,10 +28,10 @@ jobs:
         run: cargo build --release
 
       - name: Import Apple Certificate
-        if: ${{ secrets.MACOS_CERTIFICATE != '' }}
         env:
           BUILD_CERTIFICATE_BASE64: ${{ secrets.MACOS_CERTIFICATE }}
           P12_PASSWORD: ${{ secrets.MACOS_CERTIFICATE_PWD }}
+        if: ${{ env.BUILD_CERTIFICATE_BASE64 != '' }}
         run: |
           CERTIFICATE_PATH=$RUNNER_TEMP/build_certificate.p12
           KEYCHAIN_PATH=$RUNNER_TEMP/app-signing.keychain-db
@@ -130,11 +130,11 @@ jobs:
             "RustTracker.app"
 
       - name: Notarize DMG
-        if: ${{ secrets.APPLE_ID != '' }}
         env:
           APPLE_ID: ${{ secrets.APPLE_ID }}
           APPLE_ID_PASSWORD: ${{ secrets.APPLE_ID_PASSWORD }}
           APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
+        if: ${{ env.APPLE_ID != '' }}
         run: |
           echo "Submitting DMG for notarization..."
           xcrun notarytool submit RustTracker-MacOS-Installer.dmg \