Addons: Add project addon dot to manage addons page

[featurebase-for-github]

The Addons page lets you manage what addons are installed by looking at what bundles they are currently in. The dots are used on the addons to show if they are part of Production, Staging or Dev bundles. Now an addon can also be part of a project bundle.

• Add a "project orange" dot when the addon is part of a project bundle.

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