Enable / disable spellcheck for textarea inputs via config

[mark-cooper]

References

• Fixes Enable / disable textarea spellchecking via config #1798

Description

Currently, by default, dspace-angular generates textarea elements with spellcheck="false" attributes. This PR enables the spellcheck attribute value to be set via config. The default behavior has been updated to spellcheck="true" to match the DSpace v6 default behavior.

Instructions for Reviewers

Fire up the devserver and confirm that textarea form fields have the spellcheck="true" attribute value. Spellcheck behavior will depend on browser settings, but if spellchecking is not disabled spelling mistakes will be highlighted.

To verify the original behavior (spellcheck="false") set form.spellCheck: false in the config and repeat.

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[tdonohue]

👍 Thanks @mark-cooper ! I verified this works as described. Spellcheck is on by default, but setting it to false turns off the spellcheck highlighting of my browser (Chrome).