Bug when having multiple Capture Areas, and deleting one out of order

[tonoizer]

Issue description

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Noticed that if you have like 3 Capture areas and you delete nr. 2, then nr. 1 and then nr. 0, everything is fine, but if you do a different order like deleting nr.0 first you will find errors in the console.

And when this is done, the Order is kinda fucked and problems do occur in other ways.

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