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### What?
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Fixes #
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### What?
`Auto-generate` button of Meta image doesn't work
### Why?
`/plugin-seo/generate-image` return imageId as below when using
`genImageResponse.text()`.
"\"result\":\"68139a9d0effac229865fbc9\""
### How?
Change `text()` to `json()` to parse the response.
cead312d4b