Google maps in Dark Mode - doesn't show Labels text when clicked

[MInesGomes]

I'm submitting a ... (check one with "x")
[X] bug report

Current behavior:
Labels Texts are not visible when location clicked in google Map in Dark Mode.

Expected behavior:
Show labels when location clicked in Dark Mode

Steps to reproduce:
Go to google Maps in Dark Mode
And click on a location to see the label with the location name

Related code:
In Maps.ts

 mapData.forEach((markerData: any) => {
        const infoWindow = new googleMaps.InfoWindow({
          content: `<h5>${markerData.name}</h5>`
        });

Sugestion:
If I change this
<h5>${markerData.name}</h5>
to
<ion-item lines='none' ><h6> ${markerData.name}</h6></ion-item>

Works ... but Is not very nice the white border ...

Ionic info: (run ionic info from a terminal/cmd prompt and paste output below):

Ionic:

   Ionic CLI                     : 5.4.13 (/usr/local/lib/node_modules/ionic)
   Ionic Framework               : @ionic/angular 4.11.7
   @angular-devkit/build-angular : 0.803.22
   @angular-devkit/schematics    : 8.3.22
   @angular/cli                  : 8.3.22
   @ionic/angular-toolkit        : 2.1.1

Cordova:

   Cordova CLI       : 9.0.0 (cordova-lib@9.0.1)
   Cordova Platforms : browser 6.0.0
   Cordova Plugins   : cordova-plugin-ionic-keyboard 2.2.0, cordova-plugin-ionic-webview 4.1.3, (and 5 other plugins)

Utility:

   cordova-res : 0.8.1
   native-run  : 0.3.0

System:

   Android SDK Tools : 26.1.1 (/Users/mirg/Library/Android/sdk)
   ios-sim           : 8.0.2
   NodeJS            : v12.13.1 (/usr/local/Cellar/node@12/12.13.1/bin/node)
   npm               : 6.12.1
   OS                : macOS Catalina
   Xcode             : Xcode 11.3 Build version 11C29