AppUpdateView: Show icons on incompatible updates buttons

- Slashed circle: Disabled
- Shield with a cross: Fails certificate verification

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/extensions/App.kt

@@ -0,0 +1,22 @@
+package com.aurora.extensions
+
+import android.content.Context
+import android.content.pm.PackageManager
+import com.aurora.gplayapi.data.models.App
+import com.aurora.store.util.CertUtil
+
+fun App.isEnabled(context: Context): Boolean {
+    return context.packageManager.getApplicationInfo(
+        this.packageName,
+        PackageManager.GET_META_DATA
+    ).enabled
+}
+
+fun App.hasValidCertificate(context: Context): Boolean {
+    return this.certificateSetList.any {
+        it.certificateSet in CertUtil.getEncodedCertificateHashes(
+            context,
+            this.packageName
+        )
+    }
+}