Improve linear app (#20453)

- Add front component form to create linear issue
<img width="1512" height="831" alt="image"
src="https://github.com/user-attachments/assets/ffbb223f-30a8-4c64-ac6d-002c29b604c1"
/>
<img width="1512" height="829" alt="image"
src="https://github.com/user-attachments/assets/a5ed2464-35a9-4a60-804c-5f15eb0043b4"
/>

- improve marketplace Linear app page
<img width="1302" height="834" alt="image"
src="https://github.com/user-attachments/assets/cdec7ec2-953d-4a49-a797-5369834b03c1"
/>


- update admin settings to display non secret values
<img width="861" height="473" alt="image"
src="https://github.com/user-attachments/assets/41dadf02-aa5d-4eb6-befe-0ad8ad4049b2"
/>

packages/twenty-apps/internal/twenty-linear/src/command-menu-items/create-linear-issue.command-menu-item.ts

@@ -0,0 +1,17 @@
+import { defineCommandMenuItem } from 'twenty-sdk/define';
+
+import {
+  CREATE_ISSUE_COMMAND_UNIVERSAL_IDENTIFIER,
+  CREATE_ISSUE_FORM_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER,
+} from 'src/constants/universal-identifiers';
+
+export default defineCommandMenuItem({
+  universalIdentifier: CREATE_ISSUE_COMMAND_UNIVERSAL_IDENTIFIER,
+  label: 'Create Linear issue',
+  shortLabel: 'Linear issue',
+  icon: 'IconPlaylistAdd',
+  isPinned: false,
+  availabilityType: 'GLOBAL',
+  frontComponentUniversalIdentifier:
+    CREATE_ISSUE_FORM_FRONT_COMPONENT_UNIVERSAL_IDENTIFIER,
+});