fix(security,vocabulary): port disability registry changes from openspp-modules-v2

- Add disability registry category to spp_security categories
- Remove vocabulary_disability.xml from spp_vocabulary (extracted to spp_disability_registry)

Author: emjay0921

spp_security/security/categories.xml

@@ -194,6 +194,14 @@
         <field name="sequence">150</field>
     </record>
 
+    <!-- Disability Registry Domain Category -->
+    <record id="category_spp_disability" model="ir.module.category">
+        <field name="name">Disability Registry</field>
+        <field name="description">Disability assessment and registry management</field>
+        <field name="parent_id" ref="category_spp" />
+        <field name="sequence">76</field>
+    </record>
+
     <!-- Session Tracking Domain Category -->
     <record id="category_spp_sessions" model="ir.module.category">
         <field name="name">Sessions</field>

spp_vocabulary/__manifest__.py

@@ -32,7 +32,6 @@
         "data/vocabulary_occupation.xml",
         "data/vocabulary_education_level.xml",
         "data/vocabulary_ethnocultural.xml",
-        "data/vocabulary_disability.xml",
         "data/vocabulary_housing.xml",
         "data/vocabulary_economic_activity.xml",
         "data/vocabulary_language.xml",