refactor: reorganize import statements and clean up code

frontend/src/app/feature/deposit/deposit.component.ts

@@ -1,18 +1,18 @@
 import {
+  AfterViewInit,
   ChangeDetectionStrategy,
+  ChangeDetectorRef,
   Component,
   ElementRef,
   EventEmitter,
   inject,
   Input,
+  OnChanges,
+  OnDestroy,
   OnInit,
   Output,
-  ViewChild,
-  AfterViewInit,
-  OnDestroy,
-  OnChanges,
   SimpleChanges,
-  ChangeDetectorRef,
+  ViewChild,
 } from '@angular/core';
 import { FormControl, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
 import { loadStripe, Stripe } from '@stripe/stripe-js';