Kf 4927 fix update UI config (#314)

* [KF-1471] fix: add default value for pipelines (#221)

* fix: add default value for pipelines
canonical/kfp-operators#159

Fixes #159 

Summary of changes:
- Added back default value for pipelines access.
- Added tests for default values of pipelines access and images for 1.7
  release.
- Modified code to check for mindspore image only not version.

---------

Co-authored-by: Andrew Scribner <[email protected]>

* fix: update ui charm config
#312

Summary of changes:
- Updated Jupyter UI charm config to point to updated ROCKs.

---------

Co-authored-by: Andrew Scribner <[email protected]>

charms/jupyter-ui/config.yaml

@@ -22,11 +22,11 @@ options:
   jupyter-images:
     type: string
     default: |
-      - charmedkubeflow/jupyter-scipy:v1.7.0_20.04_1
-      - charmedkubeflow/jupyter-pytorch-full:v1.7.0_20.04_1
-      - charmedkubeflow/jupyter-pytorch-cuda-full:v1.7.0_20.04_1
-      - charmedkubeflow/jupyter-tensorflow-full:v1.7.0_20.04_1
-      - charmedkubeflow/jupyter-tensorflow-cuda-full:v1.7.0_20.04_1
+      - charmedkubeflow/jupyter-scipy:v1.7.0-20.04-1_ad4e002
+      - charmedkubeflow/jupyter-pytorch-full:v1.7.0-20.04-1_ad4e002
+      - charmedkubeflow/jupyter-pytorch-cuda-full:v1.7.0-20.04-1_ad4e002
+      - charmedkubeflow/jupyter-tensorflow-full:v1.7.0-20.04-1_ad4e002
+      - charmedkubeflow/jupyter-tensorflow-cuda-full:v1.7.0-20.04-1_ad4e002
     description: list of image options for Jupyter Notebook
   rstudio-images:
     type: string