Set input for amount on earnings' edit view to formatted_amount instead of amount
MODIFY
resources/views/earnings/edit.blade.php
resources/views/earnings/edit.blade.php
</div>
<div class="input input--small mb-0">
<label>Amount</label>
- <input type="text" name="amount" value="{{ $earning->amount }}" />
+ <input type="text" name="amount" value="{{ $earning->formatted_amount }}" />
@include('partials.validation_error', ['payload' => 'amount'])
</div>
</div>

Set input for amount on earnings' edit view to formatted_amount instead of amount