Resolve exception for search on json columns on a relationship

[dododedodonl]

Used code

Using this snippet, a table can display the json columns content (only present in 1 of the 4 rows):

Tables\Columns\TextColumn::make('contactDetailSubmission.data.name')
    ->searchable()
    ->label(__('Name')),

• contactDetailSubmission is a relationship
• data.name is the name field in the data JSON column

Problem

However, when searching (eg. g), this produces an exception:

Result after change

This fix resolves the exception while preserving the original behavior:

Visual changes

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Functional changes

• Code style has been fixed by running the composer cs command.
• Changes have been tested to not break existing functionality.
• Documentation is up-to-date.