bug: swipe to go back not working on ion-item-sliding

Bug Report

Ionic version: [x] 5.x

Current behavior:

• ion-item-sliding and swipe back gesture Swipe back is not possible (Web, Android)

• ion-item-options with item lines set to none Sliding options still show a line (bottom border)

Expected behavior:

• ion-item-sliding and swipe back gesture Swipe back is working
• ion-item-options with item lines set to none Sliding options do not show a line

Steps to reproduce:

• Open the list page
• ion-item-sliding and swipe back gesture
  1. Try to swipe back while on any item
• ion-item-options with item lines set to none
  1. Swipe to open the options of one item without lines, best visible if you swipe the item far away

Related code: Github Repo (https://github.com/gr99t/ionic-5-item-sliding) Github Pages (https://gr99t.github.io/ionic-5-item-sliding)

Ionic info:

Ionic:

   Ionic CLI                     : 6.2.0
   Ionic Framework               : @ionic/angular 5.0.5
   @angular-devkit/build-angular : 0.803.25
   @angular-devkit/schematics    : 8.3.25
   @angular/cli                  : 8.3.25
   @ionic/angular-toolkit        : 2.2.0

Utility:

   cordova-res : not installed
   native-run  : not installed

System:

   NodeJS : v12.14.1 
   npm    : 6.13.4
   OS     : Windows 10

[gr99t]

Yes, perfect!

[ionitron-bot[bot]]

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