MM-17023: Plugin Marketplace (#12183)

* MM-17149 - Extend config.json for marketplace settings (#11933)

* MM-17149 - Extend config.json for marketplace settings

* Renamed MarketplaceUrl, tracking default marketplace url

* Added EnableMarketplace to the client config

* Revert "Added EnableMarketplace to the client config"

This reverts commit 0f982c4c661c2cd9bb96264e9a01a2363c40d9c5.

* MM-17149 - Added EnableMarketplace to the client config (#11958)

* Added EnableMarketplace to the client config

* Moved EnableMarketplace setting out of limited client configuration

* MM-17150, MM-17545, MM-18100 - Implement GET /api/v4/plugins/m… (#11977)

* MM-17150 - Implement GET /api/v4/plugins/marketplace proxying upstream
MM-17545 - Merge locally installed plugins into GET /api/v4/plugins/marketplace

* Replaced MarketplacePluginState with Installed

* Setting InstalledVersion instead of Installed

* marketplace client setting per_page if non zero

* Creating insecure client for marketplace url

* Fixed trailing slash for default marketplace url

* Adding filtering

* Fixed function names

* Renamed Manifest() to GetManifest(), added godoc for BaseMarketplacePlugin

* Handling plugin.ErrNotFound correctly

* Checking err == nil instead when a plugin is installed

* MM-18450 - Local-only plugin search (#12152)

* MM-17846: plugin icons (#12157)

* MM-17846: add support for plugin icons

Extend the model definitions to support plugin icons from the marketplace.

* s/IconURL/IconData

* MM-18475 - Converge on snake_case responses from the marketplace (#12179)

* MM-18520 - MM-Server should forward server version to marketplace server (#12181)

* Renamed request to filter client4.GetMarketplacePlugins

* Renamed request to filter

* Guarding against bad marketplace server response

app/diagnostics.go

@@ -602,6 +602,8 @@ func (a *App) trackConfig() {
 		"enable_uploads":                *cfg.PluginSettings.EnableUploads,
 		"allow_insecure_download_url":   *cfg.PluginSettings.AllowInsecureDownloadUrl,
 		"enable_health_check":           *cfg.PluginSettings.EnableHealthCheck,
+		"enable_marketplace":            *cfg.PluginSettings.EnableMarketplace,
+		"is_default_marketplace_url":    isDefault(*cfg.PluginSettings.MarketplaceUrl, model.PLUGIN_SETTINGS_DEFAULT_MARKETPLACE_URL),
 	})
 
 	a.SendDiagnostic(TRACK_CONFIG_DATA_RETENTION, map[string]interface{}{