chore: update release plans icon (#8894)

https://linear.app/unleash/issue/2-3042/update-release-plans-feature-icon

Updates the icon for the release plans feature.


![image](https://github.com/user-attachments/assets/d7ede926-040c-4102-a59d-e096852dbc27)

Author: nunogois

frontend/src/component/layout/MainLayout/NavigationSidebar/IconRenderer.tsx

@@ -27,7 +27,7 @@ import BillingIcon from '@mui/icons-material/CreditCardOutlined';
 import EventLogIcon from '@mui/icons-material/EventNoteOutlined';
 import GitHubIcon from '@mui/icons-material/GitHub';
 import LibraryBooksIcon from '@mui/icons-material/LibraryBooks';
-import LaunchIcon from '@mui/icons-material/Launch';
+import FactCheckOutlinedIcon from '@mui/icons-material/FactCheckOutlined';
 import PersonalDashboardIcon from '@mui/icons-material/DashboardOutlined';
 import type { FC } from 'react';
 
@@ -58,7 +58,7 @@ const icons: Record<string, typeof SvgIcon> = {
     '/admin/cors': CorsIcon,
     '/admin/billing': BillingIcon,
     '/history': EventLogIcon,
-    '/release-management': LaunchIcon,
+    '/release-management': FactCheckOutlinedIcon,
     '/personal': PersonalDashboardIcon,
     GitHub: GitHubIcon,
     Documentation: LibraryBooksIcon,

frontend/src/component/releases/ReleasePlanTemplate/TemplateFormDescription.tsx

@@ -1,4 +1,4 @@
-import ReleaseTemplateIcon from '@mui/icons-material/DashboardOutlined';
+import FactCheckOutlinedIcon from '@mui/icons-material/FactCheckOutlined';
 import { ReactComponent as MilestoneIcon } from 'assets/icons/milestone.svg';
 import { styled } from '@mui/material';
 
@@ -43,7 +43,7 @@ export const TemplateFormDescription = () => {
     return (
         <StyledDescription>
             <StyledDescriptionHeader>
-                <ReleaseTemplateIcon />
+                <FactCheckOutlinedIcon />
                 Release templates
             </StyledDescriptionHeader>
             <p>

frontend/src/utils/strategyNames.tsx

@@ -6,7 +6,7 @@ import LanguageIcon from '@mui/icons-material/Language';
 import PowerSettingsNewIcon from '@mui/icons-material/PowerSettingsNew';
 import CodeIcon from '@mui/icons-material/Code';
 import { ReactComponent as RolloutIcon } from 'assets/icons/rollout.svg';
-import FormatListNumberedIcon from '@mui/icons-material/FormatListNumbered';
+import FactCheckOutlinedIcon from '@mui/icons-material/FactCheckOutlined';
 
 export const formatStrategyName = (strategyName: string): string => {
     return formattedStrategyNames[strategyName] ?? strategyName;
@@ -33,7 +33,7 @@ export const getFeatureStrategyIcon = (strategyName?: string) => {
         case 'applicationHostname':
             return LocationOnIcon;
         case 'releasePlanTemplate':
-            return FormatListNumberedIcon;
+            return FactCheckOutlinedIcon;
         default:
             return CodeIcon;
     }