Fix breaking API in WebNotificationFeature

app/build.gradle

@@ -42,7 +42,6 @@ android {
     }
 
     def releaseTemplate = {
-        signingConfig signingConfigs.debug
         shrinkResources true
         minifyEnabled true
         proguardFiles 'proguard-android-optimize-3.5.0-modified.txt', 'proguard-rules.pro'

app/src/main/java/org/mozilla/fenix/customtabs/FennecWebAppIntentProcessor.kt

@@ -58,9 +58,7 @@ class FennecWebAppIntentProcessor(
         val url = safeIntent.dataString
 
         return if (!url.isNullOrEmpty() && matches(intent)) {
-            runBlocking {
-
-                val webAppManifest = loadManifest(safeIntent, url)
+            val webAppManifest = runBlocking { loadManifest(safeIntent, url) }
 
             val session = Session(url, private = false, source = Source.HOME_SCREEN)
             session.webAppManifest = webAppManifest
@@ -78,7 +76,6 @@ class FennecWebAppIntentProcessor(
             }
 
             true
-            }
         } else {
             false
         }