IllegalStateException animating FabSpeedDial
* Android version: 6.0
* Phone model: Huawei CRO-L22
* Briar version: 1.2.4 (75dfa80)
Stacktrace:
```
java.lang.IllegalStateException: Cannot start this animator on a detached view!
at android.view.RenderNode.addAnimator(RenderNode.java:812)
at android.view.RenderNodeAnimator.setTarget(RenderNodeAnimator.java:300)
at android.view.RenderNodeAnimator.setTarget(RenderNodeAnimator.java:282)
at android.animation.RevealAnimator.<init>(RevealAnimator.java:37)
at android.view.ViewAnimationUtils.createCircularReveal(ViewAnimationUtils.java:55)
at io.github.kobakei.materialfabspeeddial.FabSpeedDial$6.run(FabSpeedDial.java:491)
at android.os.Handler.handleCallback(Handler.java:820)
at android.os.Handler.dispatchMessage(Handler.java:104)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:5811)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:802)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:692)
```
Edited log:
```
11-24 04:48:14.450 I/AndroidAccountManager: No database key in preferences
11-24 04:48:14.452 I/AccountManagerImpl: Found database key in primary file
11-24 04:48:14.456 I/BaseActivity: Starting StartupActivity
11-24 04:48:16.369 I/IdentityManagerImpl: Identity stored
11-24 04:48:16.413 I/LifecycleManagerImpl: Starting services
11-24 04:48:16.425 I/AndroidNetworkManager: Received broadcast android.net.conn.CONNECTIVITY_CHANGE
11-24 04:48:16.428 I/AndroidNetworkManager: Received broadcast android.net.wifi.WIFI_AP_STATE_CHANGED
11-24 04:48:16.471 I/PluginManagerImpl: Starting simplex plugins
11-24 04:48:16.471 I/PluginManagerImpl: Starting duplex plugins
11-24 04:48:16.618 I/BriarActivity: Recreating NavDrawerActivity after signing in
11-24 04:48:16.864 I/BaseActivity: Stopping NavDrawerActivity
11-24 04:48:17.022 I/BaseActivity: Starting NavDrawerActivity
11-24 04:48:17.339 I/BaseActivity: Stopping SetupActivity
11-24 04:48:17.507 I/BaseActivity: Stopping StartupActivity
11-24 04:48:56.433 I/BaseActivity: Stopping NavDrawerActivity
11-24 04:48:56.653 I/BaseActivity: Starting NavDrawerActivity
11-24 04:48:56.843 I/BaseActivity: Stopping NavDrawerActivity
11-24 04:48:56.982 I/BaseActivity: Starting NavDrawerActivity
```
issue