fix!: properly names BlocksField and related types (#8174)

The `BlockField` type is not representative of the underlying "blocks"
field type, which is plural, i.e. `BlocksField`. This is a semantic
change that will better align the type with the field.

## Breaking Changes

Types related to the `blocks` field have change names. If you were using
the `BlockField` or related types in your own applications, simply
change the import name to be plural and instead of singular.

Old (singular):

```ts
import type {
  BlockField,
  BlockFieldClient,
  BlockFieldValidation,
  BlockFieldDescriptionClientComponent,
  BlockFieldDescriptionServerComponent,
  BlockFieldErrorClientComponent,
  BlocksFieldErrorServerComponent,
  BlockFieldLabelClientComponent,
  BlockFieldLabelServerComponent,
} from 'payload'
```

New (plural):

```ts
import type {
  BlocksField,
  BlocksFieldClient,
  BlocksFieldValidation,
  BlocksFieldDescriptionClientComponent,
  BlocksFieldDescriptionServerComponent,
  BlocksFieldErrorClientComponent,
  BlocksFieldErrorServerComponent,
  BlocksFieldLabelClientComponent,
  BlocksFieldLabelServerComponent,
} from 'payload'
```

packages/db-mongodb/src/models/buildSchema.ts

@@ -2,7 +2,7 @@ import type { IndexOptions, Schema, SchemaOptions, SchemaTypeOptions } from 'mon
 import type {
   ArrayField,
   Block,
-  BlockField,
+  BlocksField,
   CheckboxField,
   CodeField,
   CollapsibleField,
@@ -176,7 +176,7 @@ const fieldToSchemaMap: Record<string, FieldSchemaGenerator> = {
     })
   },
   blocks: (
-    field: BlockField,
+    field: BlocksField,
     schema: Schema,
     config: SanitizedConfig,
     buildSchemaOptions: BuildSchemaOptions,

packages/db-mongodb/src/types.ts

@@ -1,7 +1,7 @@
 import type { IndexDefinition, IndexOptions, Model, PaginateModel, SchemaOptions } from 'mongoose'
 import type {
   ArrayField,
-  BlockField,
+  BlocksField,
   CheckboxField,
   CodeField,
   CollapsibleField,
@@ -76,7 +76,7 @@ export type FieldGeneratorFunction<TSchema, TField extends Field> = (
  */
 export type FieldToSchemaMap<TSchema> = {
   array: FieldGeneratorFunction<TSchema, ArrayField>
-  blocks: FieldGeneratorFunction<TSchema, BlockField>
+  blocks: FieldGeneratorFunction<TSchema, BlocksField>
   checkbox: FieldGeneratorFunction<TSchema, CheckboxField>
   code: FieldGeneratorFunction<TSchema, CodeField>
   collapsible: FieldGeneratorFunction<TSchema, CollapsibleField>