fix(popover): restore scrolling on popover by disabling touch highlight on it

fixes #4355

Author: nolimits4web

src/core/components/touch-highlight/touch-highlight-ios.less

@@ -2,7 +2,6 @@
   .toolbar-pane,
   .navbar .left,
   .navbar .right,
-  .popover-inner,
   .actions-group:not(.actions-grid .actions-group),
   .searchbar-input-wrap,
   .searchbar-disable-button,

src/core/modules/touch/touch.js

@@ -496,7 +496,7 @@ export default {
         '.ripple-inset, .icon-only, .searchbar-disable-button, .input-clear-button, .notification-close-button, .md .navbar .link.back',
       touchHighlight: true,
       touchHighlightElements:
-        '.toolbar-pane, .navbar .left, .navbar .right, .popover-inner, .actions-group:not(.actions-grid .actions-group), .searchbar-input-wrap, .searchbar-disable-button, .subnavbar, .searchbar-input-wrap .autocomplete-dropdown, .messagebar-area, .notification, .toast, .fab > a',
+        '.toolbar-pane, .navbar .left, .navbar .right, .actions-group:not(.actions-grid .actions-group), .searchbar-input-wrap, .searchbar-disable-button, .subnavbar, .searchbar-input-wrap .autocomplete-dropdown, .messagebar-area, .notification, .toast, .fab > a',
     },
   },
   create() {