refactor: implement state proxy in partner list patch and remove unnecessary xml asset registration

__manifest__.py

@@ -23,7 +23,6 @@ Custom POS Loyalty and Membership management features:
     ],
     'assets': {
         'point_of_sale._assets_pos': [
-            'pos_loyalty_member_custom/static/src/app/screens/partner_list_patch.xml',
             'pos_loyalty_member_custom/static/src/app/screens/partner_list_patch.js',
             'pos_loyalty_member_custom/static/src/app/models/pos_order_patch.js',
         ]

static/src/app/screens/partner_list_patch.js

@@ -7,24 +7,46 @@ import { normalize } from "@web/core/l10n/utils";
 patch(PartnerList.prototype, {
     setup() {
         super.setup(...arguments);
-        this.state.inputQuery = "";
+        const realState = this.state;
+        this.realState = realState;
+        this.inputQuery = "";
+
+        this.state = new Proxy(realState, {
+            get: (target, prop, receiver) => {
+                if (prop === "query") {
+                    // Access target.query to register dependency for reactivity when needed
+                    const _unused = target.query;
+                    return this.inputQuery;
+                }
+                return Reflect.get(target, prop, receiver);
+            },
+            set: (target, prop, value, receiver) => {
+                if (prop === "query") {
+                    this.inputQuery = value;
+                    if (!value && target.query !== "") {
+                        target.query = "";
+                    }
+                    return true;
+                }
+                return Reflect.set(target, prop, value, receiver);
+            }
+        });
+
         this._filteredLoyaltyCache = new Map();
         this._partnersSearchCache = new Map();
     },
 
-    onInputQueryChange(newValue) {
-        if (!newValue) {
-            this.state.query = "";
-        }
-    },
-
     async searchPartner() {
-        this.state.query = this.state.inputQuery || "";
+        if (this.realState) {
+            this.realState.query = this.inputQuery || "";
+        }
         return super.searchPartner(...arguments);
     },
 
     async onEnter() {
-        this.state.query = this.state.inputQuery || "";
+        if (this.realState) {
+            this.realState.query = this.inputQuery || "";
+        }
         return super.onEnter(...arguments);
     },