Convert FindAndReplaceDialogFragment to ViewBinding

[lukstbit]

Purpose / Description

Changes FindAndReplaceDialogFragment to use ViewBinding before moving to production.

Fixes

• Related to Productionize 'Find & Replace' #19929
• Related to Add View Binding #11116

How Has This Been Tested?

Tested again the behavior of the dialog, ran tests, verified appearance in all themes.

Checklist

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner