Show a breakdown view based on media item types

[crazytonyli]

Description

The breakdown view looks like this:

There is also an "Other" category for unknown types of files, which looks like this:

The "Other" category should rarely show up. I captured this screenshot due to a known issue regarding the very first media sync, which I have documented in the code.

Testing instructions

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress by scanning the QR code below to install the corresponding build.

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	29643
	Version	PR #24971
	Bundle ID	org.wordpress.alpha
	Commit	0090288
	Installation URL	4ouvsjkdctqo0

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[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack by scanning the QR code below to install the corresponding build.

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	29643
	Version	PR #24971
	Bundle ID	com.jetpack.alpha
	Commit	0090288
	Installation URL	6mgph2rs08q18

Automatticians: You can use our internal self-serve MC tool to give yourself access to those builds if needed.