[Doc] Fix incomplete note in databricks_workspace_binding resource (#3806)

## Changes
<!-- Summary of your changes that are easy to understand -->

Also fix doc for `securable_type` field

## Tests
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- [ ] `make test` run locally
- [x] relevant change in `docs/` folder
- [ ] covered with integration tests in `internal/acceptance`
- [ ] relevant acceptance tests are passing
- [ ] using Go SDK

Author: alexott

docs/resources/workspace_binding.md

@@ -10,7 +10,7 @@ If you use workspaces to isolate user data access, you may want to limit access
 By default, Databricks assigns the securable to all workspaces attached to the current metastore. By using `databricks_workspace_binding`, the securable will be unassigned from all workspaces and only assigned explicitly using this resource.
 
 -> **Note**
-  To use this resource the securable must have its isolation mode set to `ISOLATED` in the. Alternatively, the isolation mode can be set using the UI or API by following [this guide](https://docs.databricks.com/data-governance/unity-catalog/create-catalogs.html#configuration), [this guide](https://docs.databricks.com/en/connect/unity-catalog/external-locations.html#workspace-binding) or [this guide](https://docs.databricks.com/en/connect/unity-catalog/storage-credentials.html#optional-assign-a-storage-credential-to-specific-workspaces).
+  To use this resource the securable must have its isolation mode set to `ISOLATED` (for [databricks_catalog](catalog.md)) or `ISOLATION_MODE_ISOLATED` (for  (for [databricks_external_location](external_location.md) or [databricks_storage_credential](storage_credential.md)) for the `isolation_mode` attribute. Alternatively, the isolation mode can be set using the UI or API by following [this guide](https://docs.databricks.com/data-governance/unity-catalog/create-catalogs.html#configuration), [this guide](https://docs.databricks.com/en/connect/unity-catalog/external-locations.html#workspace-binding) or [this guide](https://docs.databricks.com/en/connect/unity-catalog/storage-credentials.html#optional-assign-a-storage-credential-to-specific-workspaces).
 
 -> **Note**
   If the securable's isolation mode was set to `ISOLATED` using Terraform then the securable will have been automatically bound to the workspace it was created from.
@@ -35,8 +35,8 @@ The following arguments are required:
 
 * `workspace_id` - ID of the workspace. Change forces creation of a new resource.
 * `securable_name` - Name of securable. Change forces creation of a new resource.
-* `securable_type` - Type of securable. Can be `catalog`, `external-locations` or `storage-credentials`. Default to `catalog`. Change forces creation of a new resource.
-* `binding_type` - (Optional) Binding mode. Default to `BINDING_TYPE_READ_WRITE`. For `catalog`, possible values are `BINDING_TYPE_READ_ONLY`, `BINDING_TYPE_READ_WRITE`. For `external-location` or `storage-credential`, no binding mode needs to be specified
+* `securable_type` - Type of securable. Can be `catalog`, `external_location` or `storage_credential`. Default to `catalog`. Change forces creation of a new resource.
+* `binding_type` - (Optional) Binding mode. Default to `BINDING_TYPE_READ_WRITE`. Possible values are `BINDING_TYPE_READ_ONLY`, `BINDING_TYPE_READ_WRITE`.
 
 ## Import