refactor(input): don't make renderFileParts an abstract method

Author: simeonoff

src/components/input/input-base.ts

@@ -115,7 +115,6 @@ export abstract class IgcInputBaseComponent extends FormAssociatedRequiredMixin(
   }
 
   protected abstract renderInput(): TemplateResult;
-  protected abstract renderFileParts(): TemplateResult | typeof nothing;
 
   protected renderValidatorContainer(): TemplateResult {
     return IgcValidationContainerComponent.create(this);
@@ -130,6 +129,10 @@ export abstract class IgcInputBaseComponent extends FormAssociatedRequiredMixin(
     };
   }
 
+  protected renderFileParts(): TemplateResult | typeof nothing {
+    return nothing;
+  }
+
   /** Sets the text selection range of the control */
   public setSelectionRange(
     start: number,

src/components/input/input.ts

@@ -304,7 +304,7 @@ export default class IgcInputComponent extends IgcInputBaseComponent {
     this._validate();
   }
 
-  protected renderFileParts() {
+  protected override renderFileParts() {
     if (this.type !== 'file') return nothing;
 
     return html`

src/components/mask-input/mask-input.ts

@@ -210,10 +210,6 @@ export default class IgcMaskInputComponent extends IgcMaskInputBaseComponent {
     this.value = this.parser.parse(this.maskedValue);
   }
 
-  protected override renderFileParts(): typeof nothing {
-    return nothing;
-  }
-
   protected override renderInput() {
     return html`
       <input