fix(core): update

ts/dees-element.classes.cssmanager.ts

@@ -46,6 +46,16 @@ export class CssManager {
 
   public bdTheme(brightValueArg: string, darkValueArg: string): CSSResult {
     let returnCssVar: string;
+
+    // lets determine the default value for quick page rendering.
+    let defaultValue: string;
+    if (domtools.DomTools.getGlobalDomToolsSync()) {
+      defaultValue = domtools.DomTools.getGlobalDomToolsSync().themeManager.goBrightBoolean ? brightValueArg : darkValueArg;
+    } else {
+      defaultValue = darkValueArg
+    }
+
+
     const existingTriplet = this.bdVarTripletStore.find(
       (tripletArg) =>
         tripletArg.darkValue === darkValueArg && tripletArg.brightValue === brightValueArg
@@ -59,16 +69,17 @@ export class CssManager {
         darkValue: darkValueArg,
       };
       this.bdVarTripletStore.push(newTriplet);
+      
       this.domtoolsPromise.then(async (domtoolsArg) => {
         await domtoolsArg.domReady.promise;
         document.body.style.setProperty(
           newTriplet.cssVarName,
-          domtoolsArg.themeManager.goBrightBoolean ? newTriplet.brightValue : newTriplet.darkValue
+          defaultValue
         );
       });
       returnCssVar = newTriplet.cssVarName;
     }
-    return plugins.lit.unsafeCSS(`var(${returnCssVar}, ${darkValueArg})`);
+    return plugins.lit.unsafeCSS(`var(${returnCssVar}, ${defaultValue})`);
   }
 
   public cssGridColumns = (amountOfColumnsArg: number, gapSizeArg: number): CSSResult => {