message: refactor(forms): avoid duplicated code in `AbstractControlStatus` directive
  This commit updates `AbstractControlStatus` directive code to remove duplicated logic in getters and replaces
  that logic with a new function that accepts an argument.
  PR Close
diff: @@ -12,6 +12,8 @@ import {AbstractControlDirective} from './abstract_control_directive';
  import {ControlContainer} from './control_container';
  import {NgControl} from './ng_control';
  +type AnyControlStatus = 'untouched'|'touched'|'pristine'|'dirty'|'valid'|'invalid'|'pending';
  +
  export class AbstractControlStatus {
  private _cd: AbstractControlDirective|null;
  @@ -19,37 +21,19 @@ export class AbstractControlStatus {
  this._cd = cd;
  }
  - get ngClassUntouched(): boolean {
  - return this._cd?.control?.untouched ?? false;
  - }
  - get ngClassTouched(): boolean {
  - return this._cd?.control?.touched ?? false;
  - }
  - get ngClassPristine(): boolean {
  - return this._cd?.control?.pristine ?? false;
  - }
  - get ngClassDirty(): boolean {
  - return this._cd?.control?.dirty ?? false;
  - }
  - get ngClassValid(): boolean {
  - return this._cd?.control?.valid ?? false;
  - }
  - get ngClassInvalid(): boolean {
  - return this._cd?.control?.invalid ?? false;
  - }
  - get ngClassPending(): boolean {
  - return this._cd?.control?.pending ?? false;
  + is(status: AnyControlStatus): boolean {
  + return !!this._cd?.control?.[status];
  }
  }
  export const ngControlStatusHost = {
  - '[class.ng-untouched]': 'ngClassUntouched',
  - '[class.ng-touched]': 'ngClassTouched',
  - '[class.ng-pristine]': 'ngClassPristine',
  - '[class.ng-dirty]': 'ngClassDirty',
  - '[class.ng-valid]': 'ngClassValid',
  - '[class.ng-invalid]': 'ngClassInvalid',
  - '[class.ng-pending]': 'ngClassPending',
  + '[class.ng-untouched]': 'is("untouched")',
  + '[class.ng-touched]': 'is("touched")',
  + '[class.ng-pristine]': 'is("pristine")',
  + '[class.ng-dirty]': 'is("dirty")',
  + '[class.ng-valid]': 'is("valid")',
  + '[class.ng-invalid]': 'is("invalid")',
  + '[class.ng-pending]': 'is("pending")',
  };
  /**
  