Plugins Catalog: Install and show the latest compatible version of a plugin (#41003)

* fix(catalog): prefer rendering installed version over latest version

* feat(catalog): signify installed version in version history

* feat(catalog): introduce installedVersion and latestVersion

* refactor(catalog): use latestVersion for installation, simplify plugindetails header logic

* refactor(catalog): clean up installedVersion and latestVersion

* feat(catalog): use table-layout so versions list table has consistent column widths

* test(catalog): update failing tests

* removed the need of having a latest version in the plugin catalog type root level.

* fixed flaky test depending on what locale it was being running with.

* added missing test to verify version for a remote plugin.

* fixed version in header.

* preventing the UI from break if no versions are available.

* fixed failing test due to missing mock data.

* added todo as a reminder.

* refactor(catalog): prefer grafana plugin icons over gcom notfound images

* refactor(Plugins/Admin): change constant name

* refactor(Plugins/Admin): add comment to make condition easier to understand

* chore: update go modules

* feat(Backend/Plugins): add "dependencies" field to `PluginListItem`

* feat(Plugins/Admin): show the grafana dependency for the installed version

* refactor(Plugins/Admin): use the local version of links

* refactor(Plugins/Admin): prefer the local version for `.type`

* refactor(Plugins/ADmin): prefer the local `.description` field

* fix(Plugins/Admin): fix tests

* test(plugins/api): update the expected response for the `api/plugins` tests

* chore(Plugins/Admin): add todo comments to check preferation of remote/local values

* feat(backend/api): always send the grafana version as a header when proxying to GCOM

* feat(plugins/admin): use the `isCompatible` flag to get the latest compatible version

* feat(plugins/admin): show the latest compatible version in the versions list

* fix(plugins/admin): show the grafana dependency for the latest compatible version

* fix(plugins/admin): update the version list when installing/uninstalling a plugin

* test(plugins/admin): add some test-cases for the latest-compatible-version

* fix(plugins/admin): show the grafana dependency for the installed version (if installed)

* feat(plugins/backend): add the `dependencies.grafanaDependency` property to the plugin object

* test(plugins/backend): fix tests by adjusting expected response json

Co-authored-by: Marcus Andersson <marcus.andersson@grafana.com>
Co-authored-by: Levente Balogh <balogh.levente.hu@gmail.com>

pkg/api/plugins.go

@@ -67,6 +67,7 @@ func (hs *HTTPServer) GetPluginList(c *models.ReqContext) response.Response {
 			Type:          string(pluginDef.Type),
 			Category:      pluginDef.Category,
 			Info:          &pluginDef.Info,
+			Dependencies:  &pluginDef.Dependencies,
 			LatestVersion: pluginDef.GrafanaComVersion,
 			HasUpdate:     pluginDef.GrafanaComHasUpdate,
 			DefaultNavUrl: pluginDef.DefaultNavURL,