Fix nightly

app/build.gradle.kts

@@ -59,13 +59,18 @@ android {
         }
 
         register("nightly") {
-            initWith(getByName("release"))
+            val release = getByName("release")
+            initWith(release)
             applicationIdSuffix = ".nightly"
             versionNameSuffix = "-nightly"
             resValue("string", "app_name", "ElementX nightly")
             matchingFallbacks += listOf("release")
             signingConfig = signingConfigs.getByName("nightly")
 
+            postprocessing {
+                initWith(release.postprocessing)
+            }
+
             firebaseAppDistribution {
                 artifactType = "APK"
                 // releaseNotesFile = TODO