Image added (#434)

* Image added

* ImageMaximumBytes

* FileController remove Authorized

* ApplicationCore.Constants.AuthorizationConstants.AUTH_KEY

* SavePicture in the interface.

* IFileSystem in Core

* WebFileSystem in Infrastructure

* PictureUri removed from UpdateCatalogItemRequest

* Modal scroll fix

src/BlazorAdmin/wwwroot/css/admin.css

@@ -150,6 +150,10 @@ admin {
     width: 100%;
 }
 
+.body-no-overflow {
+    overflow: hidden !important;
+}
+
 @media (max-width: 767.98px) {
     .main .top-row:not(.auth) {
         display: none;