Web-stories-wp: Text Sets: Create utility to add a set of elements to a page

[carlos-kelly]

Feature Description

Create a wrapper around the existing useInsertElement hook that can useInsertSet correctly.

Alternatives Considered

Additional Context

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Acceptance Criteria

Implementation Brief

_Please fill this section before commencing issue resolution_.

[miina]

Note: need to ensure that inserting a combo will be one history entry only.