Random NPE crash in Trime.kt

Describe the bug A clear and concise description of what the bug is.

Rare random crash.

To Reproduce Steps to reproduce the bug:

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See bug

Expected behavior A clear and concise description of what you expected to happen.

Log If applicable, add crash log to quick focus your problem.

--------- Crash stacktrace
java.lang.NullPointerException
    at com.osfans.trime.ime.core.Trime.loadConfig(Trime.kt:166)
    at com.osfans.trime.ime.core.Trime.recreateInputView(Trime.kt:316)
    at com.osfans.trime.ime.core.Trime$onThemeChangeListener$1$1.invokeSuspend(Trime.kt:108)
    at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
    at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:108)
    at android.os.Handler.handleCallback(Handler.java:942)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loopOnce(Looper.java:201)
    at android.os.Looper.loop(Looper.java:288)
    at android.app.ActivityThread.main(ActivityThread.java:7924)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)
    Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@5df48ca, Dispatchers.Main]

Screenshots If applicable, add screenshots to help explain your problem.

Smartphone (please complete the following information):

Device: [e.g. Xiaomi Mix 4]
OS: [e.g. Android 11]
Theme: [e.g. Tongwenfeng]
Version: [e.g. 3.2.1]

Build info:

You could find build info in About Activity and click it to copy.
e.g. 
Build: Commit CI
Date: 2022-06-12 10:09 UTC
Commit: v3.2.6-58-gd9b4c1f, 2022-06-12 17:58:14 +0800
Branch: develop
Repository: https://github.com/osfans/trime

Additional context Add any other context about the problem here.

osfans / trime

Random NPE crash in Trime.kt #1243