Fixed: user cookie header getting overwritten by stored cookie in cli

packages/bruno-cli/src/runner/run-single-request.js

@@ -233,7 +233,30 @@ const runSingleRequest = async function (
     if (!options.disableCookies) {
       const cookieString = getCookieStringForUrl(request.url);
       if (cookieString && typeof cookieString === 'string' && cookieString.length) {
-        request.headers['cookie'] = cookieString;
+        const existingCookieHeaderName = Object.keys(request.headers).find(
+            name => name.toLowerCase() === 'cookie'
+        );
+        const existingCookieString = existingCookieHeaderName ? request.headers[existingCookieHeaderName] : '';
+    
+        // Helper function to parse cookies into an object
+        const parseCookies = (str) => str.split(';').reduce((cookies, cookie) => {
+            const [name, ...rest] = cookie.split('=');
+            if (name && name.trim()) {
+                cookies[name.trim()] = rest.join('=').trim();
+            }
+            return cookies;
+        }, {});
+    
+        const mergedCookies = {
+            ...parseCookies(existingCookieString),
+            ...parseCookies(cookieString),
+        };
+    
+        const combinedCookieString = Object.entries(mergedCookies)
+            .map(([name, value]) => `${name}=${value}`)
+            .join('; ');
+    
+        request.headers[existingCookieHeaderName || 'Cookie'] = combinedCookieString;
       }
     }