Use Cylc-specific name for workspace layout cache

Author: MetRonnie

src/composables/cacheStorage.js

@@ -27,7 +27,7 @@ const fallbackStore = new Map()
  * @see https://developer.mozilla.org/en-US/docs/Web/API/Cache
  */
 export function useWorkspaceLayoutsCache () {
-  return window.caches?.open('workspace-layouts') ?? Promise.resolve({
+  return window.caches?.open('cylc-workspace-layouts') ?? Promise.resolve({
     // Fallback for environments without Cache API support (e.g. Cypress Firefox on GH Actions).
     // Does not persist across page reloads, but oh well.
     async match (key) {

tests/e2e/support/commands.js

@@ -45,7 +45,7 @@ Cypress.Commands.add('clearLayoutsCache', () => {
   // Clear any stored workspace layouts
   cy.window().then((win) => new Cypress.Promise(
     (resolve) => {
-      win.caches?.delete('workspace-layouts')?.then(resolve) ?? resolve()
+      win.caches?.delete('cylc-workspace-layouts')?.then(resolve) ?? resolve()
     }
   ))
 })