fix(touch): Allow for multi-touch in OHIF (#5099)

platform/app/public/html-templates/index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <meta
       name="viewport"
-      content="width=device-width, initial-scale=1, shrink-to-fit=no"
+      content="width=device-width, initial-scale=1, shrink-to-fit=no, maximum-scale=1.0, user-scalable=no"
     />
     <meta
       name="theme-color"

platform/app/public/html-templates/rollbar.html

@@ -4,7 +4,7 @@
     <meta charset="utf-8" />
     <meta
       name="viewport"
-      content="width=device-width, initial-scale=1, shrink-to-fit=no"
+      content="width=device-width, initial-scale=1, shrink-to-fit=no, maximum-scale=1.0, user-scalable=no"
     />
     <meta
       name="theme-color"