Theming: Make new theme exposed by ThemeContext and make new theme include v1 for compatability (to pass to useTheme) (#33207)

* WIP: Making new theme the default

* Progress

* Updates, lots of updates

* Things are working

* Fixed issues with storybook

* Fixed tests

packages/grafana-runtime/src/config.ts

@@ -6,7 +6,6 @@ import {
   FeatureToggles,
   GrafanaConfig,
   GrafanaTheme,
-  GrafanaThemeType,
   LicenseInfo,
   PanelPluginMeta,
   systemDateFormats,
@@ -76,7 +75,7 @@ export class GrafanaBootConfig implements GrafanaConfig {
   awsAssumeRoleEnabled = false;
 
   constructor(options: GrafanaBootConfig) {
-    this.theme = options.bootData.user.lightTheme ? getTheme(GrafanaThemeType.Light) : getTheme(GrafanaThemeType.Dark);
+    this.theme = getTheme(options.bootData.user.lightTheme ? 'light' : 'dark');
 
     const defaults = {
       datasources: {},