FR: Presets for asset fields

[mikesnoeren]

I find myself making the exact same asset fields over and over again for every project..
It would be great if we could make and choose asset field presets, just like we can with the redactor field.

An example of this config file with all defaults in place:
./config/assetFieldPresets/image-all.json:

{
  "location": false,
  "sources": "all",
  "location": false,
  "conditions": [
    "height":  [
      "is greater than": "100px",
      "is less than": "500px"
    ],
  ],
  "unpermittedVolumes": false,
  "AllowedFileTypes": [
    "image",
    "svg"
  ],
  "uploadToField": true,
  "minRelations": false,
  "maxRelations": false,
  "viewMode": "list",
  "selectionLabel": "Add an Image",
  "validateAssets": false,
  "preview": "thumbnail"
}

and an example with only changes to the defaults:
./config/assetFieldPresets/svg-1.json:

{
  "AllowedFileTypes": [
    "svg"
  ],
  "minRelations": false,
  "maxRelations": 1,
  "selectionLabel": "Upload SVG",
}

In my eyes, picking any preset while making an asset field would ideally just load in the defaults and then allow you to edit them, the preset and fields shouldn't be connected by any means.. (which is different to how redactor works)