[fenix] Closes https://github.com/mozilla-mobile/fenix/issues/1422 - Do not hide keyboard on pause

app/src/main/java/org/mozilla/fenix/HomeActivity.kt

@@ -4,13 +4,11 @@
 
 package org.mozilla.fenix
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
 import android.util.AttributeSet
 import android.view.View
-import android.view.inputmethod.InputMethodManager
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.widget.Toolbar
 import androidx.navigation.fragment.NavHostFragment
@@ -114,19 +112,6 @@ open class HomeActivity : AppCompatActivity() {
         super.onBackPressed()
     }
 
-    override fun onPause() {
-        super.onPause()
-        hideSoftwareKeyboard()
-    }
-
-    private fun hideSoftwareKeyboard() {
-        (getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager).apply {
-            currentFocus?.also {
-                this.hideSoftInputFromWindow(it.windowToken, 0)
-            }
-        }
-    }
-
     private fun handleCrashIfNecessary(intent: Intent?) {
         if (intent == null) { return }
         if (!Crash.isCrashIntent(intent)) { return }