Minor extension update cleanup, default to on

app/src/main/java/eu/kanade/tachiyomi/extension/ExtensionManager.kt

@@ -187,7 +187,7 @@ class ExtensionManager(
         if (changed) {
             installedExtensions = mutInstalledExtensions
         }
-        preferences.extensionUpdatesCount().set(installedExtensions.count { it.hasUpdate })
+        updatePendingUpdatesCount()
     }
 
     /**
@@ -318,12 +318,12 @@ class ExtensionManager(
 
         override fun onExtensionInstalled(extension: Extension.Installed) {
             registerNewExtension(extension.withUpdateCheck())
-            preferences.extensionUpdatesCount().set(installedExtensions.count { it.hasUpdate })
+            updatePendingUpdatesCount()
         }
 
         override fun onExtensionUpdated(extension: Extension.Installed) {
             registerUpdatedExtension(extension.withUpdateCheck())
-            preferences.extensionUpdatesCount().set(installedExtensions.count { it.hasUpdate })
+            updatePendingUpdatesCount()
         }
 
         override fun onExtensionUntrusted(extension: Extension.Untrusted) {
@@ -332,7 +332,7 @@ class ExtensionManager(
 
         override fun onPackageUninstalled(pkgName: String) {
             unregisterExtension(pkgName)
-            preferences.extensionUpdatesCount().set(installedExtensions.count { it.hasUpdate })
+            updatePendingUpdatesCount()
         }
     }
 
@@ -346,4 +346,8 @@ class ExtensionManager(
         }
         return this
     }
+
+    private fun updatePendingUpdatesCount() {
+        preferences.extensionUpdatesCount().set(installedExtensions.count { it.hasUpdate })
+    }
 }