feat(api): improve service urls update

- add force_domain_override functionality and docs
- delete service on creation if there is URL conflicts as otherwise we will have stale services (we need to create the service because we need to parse it and more)

openapi.yaml

@@ -5610,6 +5610,10 @@ paths:
                   type: array
                   description: 'Array of URLs to be applied to containers of a service.'
                   items: { properties: { name: { type: string, description: 'The service name as defined in docker-compose.' }, url: { type: string, description: 'Comma-separated list of domains (e.g. "http://app.coolify.io,https://app2.coolify.io").' } }, type: object }
+                force_domain_override:
+                  type: boolean
+                  default: false
+                  description: 'Force domain override even if conflicts are detected.'
               type: object
       responses:
         '201':
@@ -5625,6 +5629,16 @@ paths:
           $ref: '#/components/responses/401'
         '400':
           $ref: '#/components/responses/400'
+        '409':
+          description: 'Domain conflicts detected.'
+          content:
+            application/json:
+              schema:
+                properties:
+                  message: { type: string, example: 'Domain conflicts detected. Use force_domain_override=true to proceed.' }
+                  warning: { type: string, example: 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.' }
+                  conflicts: { type: array, items: { properties: { domain: { type: string, example: example.com }, resource_name: { type: string, example: 'My Application' }, resource_uuid: { type: string, nullable: true, example: abc123-def456 }, resource_type: { type: string, enum: [application, service, instance], example: application }, message: { type: string, example: "Domain example.com is already in use by application 'My Application'" } }, type: object } }
+                type: object
         '422':
           $ref: '#/components/responses/422'
       security:
@@ -5781,6 +5795,10 @@ paths:
                   type: array
                   description: 'Array of URLs to be applied to containers of a service.'
                   items: { properties: { name: { type: string, description: 'The service name as defined in docker-compose.' }, url: { type: string, description: 'Comma-separated list of domains (e.g. "http://app.coolify.io,https://app2.coolify.io").' } }, type: object }
+                force_domain_override:
+                  type: boolean
+                  default: false
+                  description: 'Force domain override even if conflicts are detected.'
               type: object
       responses:
         '200':
@@ -5798,6 +5816,16 @@ paths:
           $ref: '#/components/responses/400'
         '404':
           $ref: '#/components/responses/404'
+        '409':
+          description: 'Domain conflicts detected.'
+          content:
+            application/json:
+              schema:
+                properties:
+                  message: { type: string, example: 'Domain conflicts detected. Use force_domain_override=true to proceed.' }
+                  warning: { type: string, example: 'Using the same domain for multiple resources can cause routing conflicts and unpredictable behavior.' }
+                  conflicts: { type: array, items: { properties: { domain: { type: string, example: example.com }, resource_name: { type: string, example: 'My Application' }, resource_uuid: { type: string, nullable: true, example: abc123-def456 }, resource_type: { type: string, enum: [application, service, instance], example: application }, message: { type: string, example: "Domain example.com is already in use by application 'My Application'" } }, type: object } }
+                type: object
         '422':
           $ref: '#/components/responses/422'
       security: