Crash on WebView reinstall

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[X] I know what my device, OS and App Manager versions are
[X] I know how to take logs
[X] I know how to reproduce the issue which may not be specific to my device

Describe the bug

AM crashes when reinstalling System WebView

To Reproduce

Uninstall Android System WebView (com.android.webview)
Reinstall it > AM crashes
Open AM again > check if WebView installed > yes it's installed

Expected behavior

No response

Screenshots

No response

Logs

java.lang.NullPointerException
    at j$.util.Objects.requireNonNull(Objects.java:219)
    at io.github.muntashirakon.AppManager.rules.compontents.ComponentsBlocker.getInstance(ComponentsBlocker.java:131)
    at io.github.muntashirakon.AppManager.rules.compontents.ComponentsBlocker.getMutableInstance(ComponentsBlocker.java:110)
    at io.github.muntashirakon.AppManager.rules.compontents.ComponentUtils.blockTrackingComponents(ComponentUtils.java:78)
    at io.github.muntashirakon.AppManager.apk.installer.PackageInstallerService$1.onFinishedInstall(PackageInstallerService.java:144)
    at io.github.muntashirakon.AppManager.apk.installer.PackageInstallerCompat.installCompleted(PackageInstallerCompat.java:1021)
    at io.github.muntashirakon.AppManager.apk.installer.PackageInstallerCompat.installExisting(PackageInstallerCompat.java:925)
    at io.github.muntashirakon.AppManager.apk.installer.PackageInstallerService.onHandleIntent(PackageInstallerService.java:169)
    at io.github.muntashirakon.AppManager.types.ForegroundService$ServiceHandler.handleMessage(ForegroundService.java:73)
    at android.os.Handler.dispatchMessage(Handler.java:106)
    at android.os.Looper.loop(Looper.java:193)
    at android.os.HandlerThread.run(HandlerThread.java:65)

Device info

App version: 4.0.0-alpha02-DEBUG (RUN#2644) App version code: 435 Android build version: eng.chef.20200713.073313 Android release version: 9 Android SDK version: 28 Android build ID: lineage_TB8704-userdebug 9 PQ3A.190801.002 eng.chef.20200713.073313 test-keys Device brand: Lenovo Device manufacturer: Lenovo Device name: TB-8704X Device model: Lenovo TB-8704X Device product name: lineage_TB8704 Device hardware name: qcom ABIs: [arm64-v8a, armeabi-v7a, armeabi] ABIs (32bit): [armeabi-v7a, armeabi] ABIs (64bit): [arm64-v8a] System language: en-IN In-App Language: auto Mode: root Inferred Mode: Root

Additional context

No response

MuntashirAkon / AppManager