Add Codesandbox metrics to usage ping
We should find out frequently the Codesandbox live preview in the Web IDE is used. ### Proposal There are several different metrics we should look at here: 1. How many instances have Codesandbox enabled? - We could do this today even without have the self-hosted version as instances are able turn this feature on. 2. How many Web IDE instances use this feature? - This should be based on the number of times the live preview pane is accessed. ### Links / references
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