front: edition of an apprepository filter clears it

[dud225]

Description:

When creating a new Application Repository, all works as expected. But when editing it to filter out some charts, there is no error on the UI but the resulting apprepositories filter is reset:

  filterRule:
    jq: ""

Steps to reproduce the issue:

1. Create an App Repository, e.g. Bitnami
2. Once the App Repository is creted, edit it to modify the filter, eg nginx, jenkins
3. Check the resulting apprepositories, the filter will be blank even if one was set up at the time of creation

Version of Helm, Kubeapps and Kubernetes:

• Output of helm version:

version.BuildInfo{Version:"v3.5.0", GitCommit:"32c22239423b3b4ba6706d450bd044baffdcf9e6", GitTreeState:"clean", GoVersion:"go1.15.6"}

• Output of helm list -n <kubeapps-namespace> <kubeapps-release-name>:

NAME            NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
kubeapps        kubeapps        5               2021-09-08 10:10:27.536393583 +0000 UTC deployed        kubeapps-7.4.0  2.4.0

• Output of kubectl version:

Client Version: version.Info{Major:"1", Minor:"21+", GitVersion:"v1.21.4-3+e5758f73ed2a04", GitCommit:"e5758f73ed2a04898a6bba130459e17b95402dcd", GitTreeState:"clean", BuildDate:"2021-08-12T15:05:00Z", GoVersion:"go1.16.6", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"21+", GitVersion:"v1.21.4-3+e5758f73ed2a04", GitCommit:"e5758f73ed2a04898a6bba130459e17b95402dcd", GitTreeState:"clean", BuildDate:"2021-08-12T15:00:31Z", GoVersion:"go1.16.6", Compiler:"gc", Platform:"linux/amd64"}

[absoludity]

Thanks @dud225 . Easy to repro. Haven't dug, but from the network request, it looks like the dashboard is simply not setting the filters when updating the app repo. For example, I see the following when setting the filters to "apache,jenkins"

Appreciate the help you're giving us lately so reluctant to say patches welcome. We'll prioritise it in our next planning meeting if someone hasn't grabbed it already :)