Fix export sanity tests (#4730)

The export sanity tests were not running because the if condition was not being evaluated correctly.


**Export sanity tests are currently broken. We never detected it as we were never running it.**

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#### Does this PR need a docs update or release note?

- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [ ] ⛔ No

#### Type of change

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- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Supportability/Tests
- [ ] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup

#### Issue(s)

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#### Test Plan

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- [ ] 💪 Manual
- [ ] ⚡ Unit test
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.github/actions/backup-restore-test/action.yml

@@ -99,7 +99,7 @@ runs:
         ./sanity-test restore ${{ inputs.service }}
 
     - name: Export ${{ inputs.service }} ${{ inputs.kind }}
-      if: inputs.with-export == true
+      if: ${{ inputs.with-export == 'true' }}
       id: export
       shell: bash
       working-directory: src
@@ -119,7 +119,7 @@ runs:
           cat /tmp/corsologs
 
     - name: Check export ${{ inputs.service }} ${{ inputs.kind }}
-      if: inputs.with-export == true
+      if: ${{ inputs.with-export == 'true' }}
       shell: bash
       working-directory: src
       env:
@@ -134,7 +134,7 @@ runs:
         ./sanity-test export ${{ inputs.service }}
 
     - name: Export archive ${{ inputs.service }} ${{ inputs.kind }}
-      if: inputs.with-export == true
+      if: ${{ inputs.with-export == 'true' }}
       id: export-archive
       shell: bash
       working-directory: src
@@ -157,7 +157,7 @@ runs:
           cat /tmp/corsologs
 
     - name: Check archive export ${{ inputs.service }} ${{ inputs.kind }}
-      if: inputs.with-export == true
+      if: ${{ inputs.with-export == 'true' }}
       shell: bash
       working-directory: src
       env: