Why does firebase.messaging() result in showing a blank screen in Capacitor build, while it functions properly in the browser?

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This could be due to a compatibility issue between Capacitor and Firebase messaging library. Capacitor may not support some of the features or APIs used by Firebase messaging. Additionally, Capacitor may have different behavior when running on a device compared to running in the browser, which could cause the issue to manifest only in the build.

To resolve the issue, check if there are any version compatibility issues between Capacitor and Firebase messaging, and ensure that the configurations are correctly set up for the build environment. It may also be helpful to consult the Capacitor and Firebase messaging documentation for any solution or workaround.