From e00f347219023d2488dc3ef65a62d04178497762 Mon Sep 17 00:00:00 2001
From: codeSafari10 <codeSafari10@gmail.com>
Date: Tue, 25 Jun 2024 09:30:04 +0530
Subject: [PATCH] fix:  copy before mutating the theme

Signed-off-by: codeSafari10 <codeSafari10@gmail.com>
---
 src/theme/theme.ts | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/theme/theme.ts b/src/theme/theme.ts
index 71a42e9b..f0e56081 100644
--- a/src/theme/theme.ts
+++ b/src/theme/theme.ts
@@ -7,13 +7,17 @@ export const drawerWidth = 240;
 
 export const createCustomTheme = (mode: PaletteMode, brandPalette?: Interactiveness) => {
   const basePalette = mode == 'light' ? lightModePalette : darkModePalette;
-  const themePalette = brandPalette
-    ? Object.assign({}, basePalette, {
-        background: {
-          brand: brandPalette
-        }
-      })
-    : basePalette;
+
+  const themePalette = {
+    ...basePalette,
+    background: {
+      ...(basePalette.background || {}),
+      brand: {
+        ...((basePalette?.background?.brand || {}) as Interactiveness),
+        ...(brandPalette || {})
+      }
+    }
+  };
 
   return createTheme({
     palette: {