plugins: use pluginId for getIconUrl

Change-Id: I560429fa6604a595c945ffca73fed3c43b152e40

src/app/settingsview/components/PluginAvailableDelegate.qml

@@ -172,7 +172,7 @@ ItemDelegate {
                         defaultImage: JamiResources.plugins_default_icon_svg
                         width: 65
                         height: 65
-                        downloadUrl: PluginAdapter.getIconUrl(pluginName)
+                        downloadUrl: PluginAdapter.getIconUrl(pluginId)
                         localPath: root.iconLocalPath
                     }
                 }