PluginsCatalog: Add backend support for hiding plugins in plugins catalog (#41563)

Add backend support for hiding plugins in plugins catalog. 

Ref #41074

pkg/setting/setting.go

@@ -258,6 +258,7 @@ type Cfg struct {
 	PluginSettings                   PluginSettings
 	PluginsAllowUnsigned             []string
 	PluginCatalogURL                 string
+	PluginCatalogHiddenPlugins       []string
 	PluginAdminEnabled               bool
 	PluginAdminExternalManageEnabled bool
 	DisableSanitizeHtml              bool
@@ -923,18 +924,9 @@ func (cfg *Cfg) Load(args CommandLineArgs) error {
 	panelsSection := iniFile.Section("panels")
 	cfg.DisableSanitizeHtml = panelsSection.Key("disable_sanitize_html").MustBool(false)
 
-	pluginsSection := iniFile.Section("plugins")
-	cfg.PluginsEnableAlpha = pluginsSection.Key("enable_alpha").MustBool(false)
-	cfg.PluginsAppsSkipVerifyTLS = pluginsSection.Key("app_tls_skip_verify_insecure").MustBool(false)
-	cfg.PluginSettings = extractPluginSettings(iniFile.Sections())
-	pluginsAllowUnsigned := pluginsSection.Key("allow_loading_unsigned_plugins").MustString("")
-	for _, plug := range strings.Split(pluginsAllowUnsigned, ",") {
-		plug = strings.TrimSpace(plug)
-		cfg.PluginsAllowUnsigned = append(cfg.PluginsAllowUnsigned, plug)
+	if err := cfg.readPluginSettings(iniFile); err != nil {
+		return err
 	}
-	cfg.PluginCatalogURL = pluginsSection.Key("plugin_catalog_url").MustString("https://grafana.com/grafana/plugins/")
-	cfg.PluginAdminEnabled = pluginsSection.Key("plugin_admin_enabled").MustBool(true)
-	cfg.PluginAdminExternalManageEnabled = pluginsSection.Key("plugin_admin_external_manage_enabled").MustBool(false)
 
 	if err := cfg.readFeatureToggles(iniFile); err != nil {
 		return err