feat: Add apps sidebar tab (#9342)

## Summary

<!-- One sentence describing what changed and why. -->

## Changes

- **What**: <!-- Core functionality added/modified -->
- **Breaking**: <!-- Any breaking changes (if none, remove this line)
-->
- **Dependencies**: <!-- New dependencies (if none, remove this line)
-->

## Review Focus

<!-- Critical design decisions or edge cases that need attention -->

<!-- If this PR fixes an issue, uncomment and update the line below -->
<!-- Fixes #ISSUE_NUMBER -->

## Screenshots (if applicable)

<img width="383" height="359" alt="image"
src="https://github.com/user-attachments/assets/47905196-9db6-4a57-8cf7-384d4d37d000"
/>

<img width="335" height="281" alt="image"
src="https://github.com/user-attachments/assets/843068f3-e895-4781-bf5f-e0eb86d3387c"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9342-feat-Add-apps-sidebar-tab-3176d73d3650812b822fc9cc3f17322e)
by [Unito](https://www.unito.io)

---------

Co-authored-by: github-actions <github-actions@github.com>

src/components/appMode/AppModeToolbar.vue

@@ -21,8 +21,8 @@ const tooltipOptions = { showDelay: 300, hideDelay: 300 }
 const isAssetsActive = computed(
   () => workspaceStore.sidebarTab.activeSidebarTab?.id === 'assets'
 )
-const isWorkflowsActive = computed(
-  () => workspaceStore.sidebarTab.activeSidebarTab?.id === 'workflows'
+const isAppsActive = computed(
+  () => workspaceStore.sidebarTab.activeSidebarTab?.id === 'apps'
 )
 
 function openAssets() {
@@ -30,7 +30,7 @@ function openAssets() {
 }
 
 function showApps() {
-  void commandStore.execute('Workspace.ToggleSidebarTab.workflows')
+  void commandStore.execute('Workspace.ToggleSidebarTab.apps')
 }
 
 function openTemplates() {
@@ -104,9 +104,7 @@ function openTemplates() {
         variant="textonly"
         size="unset"
         :aria-label="t('linearMode.appModeToolbar.apps')"
-        :class="
-          cn('size-10', isWorkflowsActive && 'bg-secondary-background-hover')
-        "
+        :class="cn('size-10', isAppsActive && 'bg-secondary-background-hover')"
         @click="showApps"
       >
         <i class="icon-[lucide--panels-top-left] size-4" />