MM-62079: Using a cache prefix to isolate cache keys for each test (#30261)

```release-note
A new config setting CacheSettings.RedisCachePrefix has been added which can be used to add a prefix to all Redis cache keys.
```

server/channels/app/platform/service.go

@@ -168,10 +168,11 @@ func New(sc ServiceConfig, options ...Option) (*PlatformService, error) {
 	} else if *cacheConfig.CacheType == model.CacheTypeRedis {
 		ps.cacheProvider, err = cache.NewRedisProvider(
 			&cache.RedisOptions{
-				RedisAddr:     *cacheConfig.RedisAddress,
-				RedisPassword: *cacheConfig.RedisPassword,
-				RedisDB:       *cacheConfig.RedisDB,
-				DisableCache:  *cacheConfig.DisableClientCache,
+				RedisAddr:        *cacheConfig.RedisAddress,
+				RedisPassword:    *cacheConfig.RedisPassword,
+				RedisDB:          *cacheConfig.RedisDB,
+				RedisCachePrefix: *cacheConfig.RedisCachePrefix,
+				DisableCache:     *cacheConfig.DisableClientCache,
 			},
 		)
 	}