Affected platform: iOS 11.3

Issue: keychain/login form autocomplete bar appears when it shouldn't. Specifically, it appears when focusing any text input, if a login form or password input has previously been focused in the same session.

Repro: build this app, run on device or sim (iOS 11.3), follow steps in app

#$ionic info output

cli packages: (/usr/local/lib/node_modules)

@ionic/cli-utils  : 1.19.2
ionic (Ionic CLI) : 3.20.0

global packages:

cordova (Cordova CLI) : 8.0.0 

local packages:

@ionic/app-scripts : 3.1.9
Cordova Platforms  : ios 4.5.4
Ionic Framework    : ionic-angular 3.9.2

System:

ios-deploy : 1.9.2 
Node       : v9.11.1
npm        : 5.6.0 
OS         : macOS High Sierra
Xcode      : Xcode 9.3 Build version 9E145 

Environment Variables:

ANDROID_HOME : not set

Misc:

backend : pro