feat(workbench): add optional workspace logos and color badges to browser tabs (#11035)

* feat: add optional workspace favicon and identification color

Signed-off-by: Ratel-pwn <2448574643@qq.com>

* refactor: simplify workspace identification color control

Signed-off-by: Ratel-pwn <2448574643@qq.com>

* fix: preserve logo size when overlaying favicon color

Signed-off-by: Ratel-pwn <2448574643@qq.com>

* fix(workbench): separate favicon badge with a transparent cutout

Signed-off-by: Ratel-pwn <2448574643@qq.com>

* fix(workbench): restore workspace favicon before app startup

Signed-off-by: Ratel-pwn <2448574643@qq.com>

---------

Signed-off-by: Ratel-pwn <2448574643@qq.com>

plugins/setting/src/index.ts

@@ -165,6 +165,10 @@ export interface OfficeSettings extends Configuration {
  */
 export interface WorkspaceSetting extends Doc {
   icon?: Ref<Blob> | null
+  /** A manual colour override. Missing/null follows the current logo automatically. */
+  identificationColor?: string | null
+  syncWorkspaceLogo?: boolean
+  identificationColorEnabled?: boolean
 }
 
 export enum IntegrationError {
@@ -255,6 +259,11 @@ export default plugin(settingId, {
     Setting: '' as IntlString,
     Spaces: '' as IntlString,
     WorkspaceSettings: '' as IntlString,
+    IdentificationColor: '' as IntlString,
+    SyncWorkspaceLogo: '' as IntlString,
+    ColorDefault: '' as IntlString,
+    ColorLogoUnavailable: '' as IntlString,
+    ColorSaveFailed: '' as IntlString,
     Integrations: '' as IntlString,
     Support: '' as IntlString,
     Privacy: '' as IntlString,