Ionic-wordpress-deeplink - can't back to whatsapp chat after opening a link

I’ve wordpress Ionic app with deeplink, but when i open alink from whatsapp, my app (override whatsapp screen) i can’t exit the app and back to my whatsapp chat .

but when opening my app as normal ( i can exit and back to home screen )

Here is my ionic info

Ionic:

Ionic CLI : 6.3.0 (C:\Users\me\AppData\Roaming\npm\node_modules@ionic\cli)
Ionic Framework : @ionic/angular 5.3.1
@angular-devkit/build-angular : 0.901.12
@angular-devkit/schematics : 9.1.12
@angular/cli : 9.1.12
@ionic/angular-toolkit : 2.3.0

Capacitor:

Capacitor CLI : 2.0.2
@capacitor/core : 2.0.2

Cordova:

Cordova CLI : 9.0.0 (cordova-lib@9.0.1)
Cordova Platforms : android 8.1.0
Cordova Plugins : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.2.1, (and 7 other plugins)

Utility:

cordova-res : 0.14.1
native-run : not installed

System:

Android SDK Tools : 26.1.1 (F:\sdk)
NodeJS : v10.17.0 (C:\Program Files\nodejs\node.exe)
npm : 6.14.4
OS : Windows Server 2016

@Codedev

Could you record the behavior with an App type XRecorder on Android and bring the link to see it?