File picker form control

Allows to select a binary for upload. Component provides drop area functionality allowing you to just drop files within specified area. Attributes:

• maxAllowedFiles maximum number of total files to be selected
• minRequiredFiles minimum number of total files to be selected
• accept type of files allowed for upload
• disableValidators disable specific validators
• dropped function callback to be invoked upon drop action
• uploadInProgress boolean flag indicating whenever there is upload ongoing
• uploadProgress the array of progress state objects for each selected file
• validateExtensionOnDrag turn on/off validation on file drag event

Usage Example:

<div>
    <c8y-file-picker-form-control
        #filePicker
        [formControl]="control"
        [uploadInProgress]="isLoading"
        (dropped)="onFileDroppedEvent($event)"
        [uploadProgress]="uploadProgress"
    ></c8y-file-picker-form-control>
</div>