Ionic-framework: feat: Add ability to specify "enterkeyhint" attribute on ion-input and ion-searchbar components

[dennismorello]

Ionic version:
[x] 5.x

Describe the Feature Request
Now that both Chrome and Safari support the "enterkeyhint" attribute on the <input> element, we could use it to specify the appearance of the Enter button when the virtual keyboard appears.

Describe Preferred Solution
The ion-input component accepts an "enterkeyhint" prop that is passed down to the underlying HTML element.

Additional Context
Reference: https://html.spec.whatwg.org/multipage/interaction.html#input-modalities:-the-enterkeyhint-attribute

[liamdebeasi]

Thanks for the issue. This has been resolved via https://github.com/ionic-team/ionic/pull/21035 and https://github.com/ionic-team/ionic/pull/21036. This feature will be available in an upcoming release of Ionic Framework.

[ionitron-bot[bot]]

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