Allow files with spaces in their names for model registry

What does this MR do and why?

Allow files with spaces in their names for model registry

Related to #461320 (closed)

MR acceptance checklist

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UI upload and and download

A file with space before

Before	After

Use MLflow

• Use python and install mlflow
• Two files a.txt and a space b.txt
• Run the folowing python code python ./mr1.py
• 29 is the project id and token is a token with api and read_api permissions.

./mr1.py

import os
import mlflow

os.environ["MLFLOW_TRACKING_URI"] = "http://gdk.test:3000/api/v4/projects/29/ml/mlflow/"
os.environ["MLFLOW_TRACKING_TOKEN"] = 'glpat-'


client = mlflow.tracking.MlflowClient()

model_name = 'XModel4'
version = '1.0.1'
description = 'expla'

model = client.create_registered_model(model_name, description=description)
model_version = client.create_model_version(model_name, version, description=description)
client.log_artifact(model_version.run_id, './a.txt')
client.log_artifact(model_version.run_id, './a space b.txt')

• Go to project/Deploy/Model registry and later to XModel4/1.0.1 and you should see the files with spaces.

Use packages rest API

• 29 is the project ID
• 263 is the model version ID you can find in the UI under project/deploy/model registry/XModel4/1.0.0

curl --header "Authorization: Bearer <your_access_token>" "http://gdk.test:3000/api/v4/projects/29/packages/ml_models/263/files/a.txt
curl --header "Authorization: Bearer <your_access_token>" "http://gdk.test:3000/api/v4/projects/29/packages/ml_models/263/files/a%20space%20b.txt"