Fixes loading text not hiding when previewing comment

What does this MR do and why?

Fixes a bug where the Loading.. text would stay visible after a comment with a suggestion is previewed.

Screenshots or screen recordings

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Before	After
Screen_Recording_2023-06-15_at_15.32.29	Screen_Recording_2023-06-15_at_15.31.28

How to set up and validate locally

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MR acceptance checklist

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