Fix charts status updates

[momesgin]

Summary

Fixes #14774

Occurred changes and/or fixed issues

Removed the caching logic for chart card data. This change ensures chart statuses (e.g., "Installed") update immediately, fixing a side-effect where a page refresh was required. The caching was originally implemented for performance, but it is no longer necessary due to several subsequent optimizations made to the charts page:

• Tooltips
• Lazy loading
• LazyImage component

Technical notes summary

Removed the caching logic in:

• shell/pages/c/_cluster/apps/charts/index.vue
• shell/models/chart.js

Areas or cases that should be tested

Go to the charts page and install a version of a chart that's not the latest, then come back to the charts page without refreshing the page, you should be able to see the installed and upgradeable icons on the card.

Areas which could experience regressions

The primary focus of testing should be to verify that these changes do not introduce a performance regression on the charts page.

1. Add a repository that hosts a large number of charts. The Bitnami repo is a good candidate: https://charts.bitnami.com/bitnami

2. Navigate to the charts page and assess performance while:

• Scrolling rapidly through the entire list of charts.
• Applying and clearing various filters from the side panel.
• Typing a search query into the filter box.

The page should remain responsive. Scrolling should be smooth, and filters should apply without a noticeable lag. The overall performance should be on par with the master branch.

Screenshot/Video

cache.mov

Checklist

• The PR is linked to an issue and the linked issue has a Milestone, or no issue is needed
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• The PR template has been filled out
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• The PR has considered, and if applicable tested with, the three Global Roles Admin, Standard User and User Base

[Copilot]

Pull request overview

This PR fixes an issue where chart status indicators (e.g., "Installed", "Upgradeable") did not update immediately after installing or upgrading a chart, requiring a page refresh. The fix removes caching logic that was originally added for performance but is no longer necessary due to subsequent optimizations (tooltips, lazy loading, and LazyImage component improvements).

Key Changes:

• Removed the appCardsCache object and associated caching logic from the charts page component
• Removed the _cardContent caching in the Chart model's cardContent getter to enable reactive status updates
• Simplified the code by directly computing card data on each access rather than maintaining a cache

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
shell/pages/c/_cluster/apps/charts/index.vue	Removed appCardsCache from component data and simplified the appChartCards computed property to directly map charts without caching
shell/models/chart.js	Removed caching logic from the cardContent getter to compute statuses dynamically, allowing immediate updates when charts are installed or upgraded

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[rak-phillip]

LGTM - I gave this a quick test with the steps outlined above. The issue looks to be resolved and I didn't encounter any aforementioned performance issues.