WEB-290: Introduce classification field on loan BuyDown Fee transaction (#2618)

Co-authored-by: Jose Alberto Hernandez <alberto@black-box.local>
Merging based on review from Adam and Rustam.

src/app/loans/loans-view/loan-account-actions/make-repayment/make-repayment.component.html

@@ -68,7 +68,7 @@
             <input matInput formControlName="externalId" />
           </mat-form-field>
 
-          <mat-form-field *ngIf="isCapitalizedIncome()">
+          <mat-form-field *ngIf="isCapitalizedIncome() || isBuyDownFee()">
             <mat-label>{{ 'labels.inputs.Classification' | translate }}</mat-label>
             <mat-select formControlName="classificationId">
               <mat-option *ngFor="let classificationOption of classificationOptions" [value]="classificationOption.id">

src/app/loans/loans-view/loan-account-actions/make-repayment/make-repayment.component.ts

@@ -104,7 +104,6 @@ export class MakeRepaymentComponent implements OnInit {
           Validators.min(0.001),
           Validators.max(this.dataObject.amount)])
       );
-      this.repaymentLoanForm.addControl('classificationId', new UntypedFormControl(''));
     } else {
       this.repaymentLoanForm.addControl(
         'transactionAmount',
@@ -113,6 +112,9 @@ export class MakeRepaymentComponent implements OnInit {
           Validators.min(0.001)])
       );
     }
+    if (this.isCapitalizedIncome() || this.isBuyDownFee()) {
+      this.repaymentLoanForm.addControl('classificationId', new UntypedFormControl(''));
+    }
   }
 
   setRepaymentLoanDetails() {