Implement functionality to replace ticket's motive

The commit introduces several features related to ticket motive management in the Chill-TicketBundle:
- Adds capability to replace a ticket's motive with a new one.
- Provides ticket motive history management features.
- Implements relevant changes in Controller, Action Handler, and Entity levels.
- Incorporates new API endpoints and updates the API specification file for the new feature.
- Includes tests to ensure the new functionality works as expected.

src/Bundle/ChillTicketBundle/chill.api.specs.yaml

@@ -13,6 +13,18 @@ components:
                         fr: Retard de livraison
                 active:
                     type: boolean
+        MotiveById:
+            type: object
+            properties:
+                id:
+                    type: integer
+                type:
+                    type: string
+                    enum:
+                        - ticket_motive
+            required:
+                - id
+                - type
 
 paths:
     /1.0/ticket/motive.json:
@@ -23,3 +35,32 @@ paths:
             responses:
                 200:
                     description: "OK"
+
+    /1.0/ticket/{id}/motive/set:
+        post:
+            tags:
+                - ticket
+            summary: Replace the existing ticket's motive by a new one
+            parameters:
+                -   name: id
+                    in: path
+                    required: true
+                    description: The ticket id
+                    schema:
+                        type: integer
+                        format: integer
+                        minimum: 1
+            requestBody:
+                required: true
+                content:
+                    application/json:
+                        schema:
+                            type: object
+                            properties:
+                                motive:
+                                    $ref: "#/components/schemas/MotiveById"
+            responses:
+                201:
+                    description: "ACCEPTED"
+                422:
+                    description: "UNPROCESSABLE ENTITY"