ci(build): simplify artifact naming logic in workflow

Remove conditional sublevel check and directly use ACTUAL_SUBLEVEL variable for cleaner artifact naming

.github/workflows/build.yml

@@ -484,13 +484,7 @@ jobs:
 
       - name: Set file name
         run: |
-          # Set artifact name base for consistent naming
-          # Prepare sublevel for naming
-          SUBLEVEL_FOR_NAME="${{ inputs.sub_level }}"
-          if [ -n "$ACTUAL_SUBLEVEL" ]; then
-            SUBLEVEL_FOR_NAME="$ACTUAL_SUBLEVEL"
-          fi
-          ARTIFACT_BASE="${{ inputs.kernel_version }}.${SUBLEVEL_FOR_NAME}-${{ inputs.android_version }}-${{ inputs.os_patch_level }}-${{ matrix.apply_bypass == 'bypass' && 'Bypass' || 'Normal' }}"
+          ARTIFACT_BASE="${{ inputs.kernel_version }}.$ACTUAL_SUBLEVEL-${{ inputs.android_version }}-${{ inputs.os_patch_level }}-${{ matrix.apply_bypass == 'bypass' && 'Bypass' || 'Normal' }}"
           echo "ARTIFACT_BASE=$ARTIFACT_BASE" >> $GITHUB_ENV
           echo "FILE_NAME=$ARTIFACT_BASE" >> $GITHUB_ENV