feat: allow `MatFormFieldControl` to be content projected into `mat-form- field` using `ng-content` · Issue #9411 · angular/components · GitHub
![angular material - mat-form-field must contain a MatFormFieldControl in type file Input field - Stack Overflow angular material - mat-form-field must contain a MatFormFieldControl in type file Input field - Stack Overflow](https://i.stack.imgur.com/OqpgL.png)
angular material - mat-form-field must contain a MatFormFieldControl in type file Input field - Stack Overflow
![angular - Error in browser Console mat-form-field must contain a MatFormFieldControl - Stack Overflow angular - Error in browser Console mat-form-field must contain a MatFormFieldControl - Stack Overflow](https://i.stack.imgur.com/JOPqW.png)