[FIX] web: statusbar field on mobile doesn't show current value

closes odoo/odoo#103715

X-original-commit: a045d4555f3546bf9b0327b24f5c6f3fecf247f1
Signed-off-by: Luca Vitali <luvi@odoo.com>

addons/web/static/src/views/fields/statusbar/statusbar_field.js

@@ -45,8 +45,8 @@ export class StatusBarField extends Component {
     get currentName() {
         switch (this.props.record.fields[this.props.name].type) {
             case "many2one": {
-                const item = this.options.find((item) => item.isSelected);
-                return item ? item.name : "";
+                const item = this.options.find((item) => this.props.value && item.id === this.props.value[0]);
+                return item ? item.display_name : "";
             }
             case "selection": {
                 const item = this.options.find((item) => item[0] === this.props.value);

addons/web/static/tests/mobile/views/fields/statusbar_field_tests.js

@@ -60,6 +60,11 @@ QUnit.module("Mobile Fields", ({ beforeEach }) => {
             ".o_statusbar_status .dropdown-menu",
             "dropdown should be hidden"
         );
+        assert.strictEqual(
+            fixture.querySelector(".o_statusbar_status button.dropdown-toggle").textContent.trim(),
+            "aaa",
+            "statusbar button should display current field value"
+        );
 
         // open the dropdown
         await click(fixture, ".o_statusbar_status > button");
@@ -115,8 +120,8 @@ QUnit.module("Mobile Fields", ({ beforeEach }) => {
         assert.strictEqual(
             fixture.querySelector(".o_statusbar_status button.dropdown-toggle").textContent.trim(),
             "",
-            "statusbar button has no text"
-        ); // Behavior as of saas-15, might be improved
+            "statusbar button shouldn't have text for null field value"
+        );
 
         await click(fixture, ".o_statusbar_status button.dropdown-toggle");
         assert.containsOnce(