Fix twenty-server integration test on main (#14905)

Following https://github.com/twentyhq/twenty/pull/14869

Dynamically clearing the cache, as one entry was forgotten
It seems like a permission test deletes a role that's expected to be
existing in following tests, as now cache is getting invalidated tests
are failing

Seems to be related to
https://discord.com/channels/1130383047699738754/1423768505911869460

## Singleton local cache key collision
When set for the first time caches local keys looks like
`workspaceId:undefined", singleton is shared between several cache
instances
If the given key is undefined it will read on other entity cache entry.

packages/twenty-server/src/engine/workspace-cache-storage/services/get-data-from-cache-with-recompute.service.ts

@@ -40,11 +40,13 @@ export class GetDataFromCacheWithRecomputeService<T, U> {
 
     cachedVersion = await getCacheVersion(workspaceId);
 
-    const cacheKey = `${workspaceId}-${cachedVersion}`;
-    const cachedValue = this.cache.get(cacheKey);
+    if (isDefined(cachedVersion)) {
+      const cacheKey = `${workspaceId}-${cachedVersion}`;
+      const cachedValue = this.cache.get(cacheKey);
 
-    if (cachedValue) {
-      return cachedValue;
+      if (cachedValue) {
+        return cachedValue;
+      }
     }
 
     cachedData = await getCacheData(workspaceId);
@@ -77,6 +79,8 @@ export class GetDataFromCacheWithRecomputeService<T, U> {
       }
     }
 
+    const cacheKey = `${workspaceId}-${cachedVersion}`;
+
     this.cache.set(cacheKey, {
       version: cachedVersion,
       data: cachedData,