DTSPB-4458 Add a11y context for summary page links

[tom-saunders-cts]

JIRA link (if applicable)

See DTSPB-4458

Change description

Adds a random string generation method into the nunjucks context, then uses that to provide id attributes for templated summary page elements. These id values are then used with aria-labelledby to add the context for each of the 'Change' or 'Answer' links.

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[X] No

[hmcts-jenkins-j-to-z]

Plan Result (aat)

Plan: 0 to add, 1 to change, 0 to destroy.

• Update
  • module.probate-frontend-redis-cache.azurerm_redis_cache.redis

Change Result (Click me)

  # module.probate-frontend-redis-cache.azurerm_redis_cache.redis will be updated in-place
  ~ resource "azurerm_redis_cache" "redis" {
        id                                 = "/subscriptions/1c4f0704-a29e-403d-b719-b90c34ef14c9/resourceGroups/probate-frontend-redis-cache-cache-aat/providers/Microsoft.Cache/redis/probate-frontend-redis-cache-aat"
        name                               = "probate-frontend-redis-cache-aat"
        tags                               = {
            "application"         = "probate"
            "autoShutdown"        = "true"
            "builtFrom"           = "https://github.com/HMCTS/probate-frontend.git"
            "businessArea"        = "CFT"
            "contactSlackChannel" = "#probate"
            "environment"         = "staging"
            "managedBy"           = "Probate"
        }
        # (24 unchanged attributes hidden)

      ~ redis_configuration {
          ~ maxfragmentationmemory_reserved         = 125 -> 642
          ~ maxmemory_delta                         = 125 -> 642
          ~ maxmemory_reserved                      = 125 -> 642
            # (14 unchanged attributes hidden)
        }
    }

Plan: 0 to add, 1 to change, 0 to destroy.

[hmcts-jenkins-j-to-z]

Plan Result (prod)

No changes. Your infrastructure matches the configuration.