[FIX] web: display contextual values in readonly domain

The domain component in readonly mode doesn't display dynamic/contextual
values.
For a domain `[('foo', '=', uid)]` the component displays "foo =" instead
of "foo = uid"

Part-of: odoo/odoo#127565

addons/web/static/src/core/domain_selector/domain_selector.xml

@@ -154,7 +154,6 @@
             <t t-foreach="values" t-as="value" t-key="value_index">
                 <span class="o_domain_leaf_value text-primary">
                     <t t-if="typeof value === 'string'"> "<t t-esc="value"/>"</t>
-                    <t t-elif="isExprValue(value)"> <t t-esc="node.value.expr"/></t>
                     <t t-else=""> <t t-esc="value"/></t>
                 </span>
                 <t t-if="!value_last"> <t t-esc="connector" /> </t>

addons/web/static/tests/core/domain_selector_tests.js

@@ -1397,4 +1397,12 @@ QUnit.module("Components", (hooks) => {
         });
         assert.strictEqual(getSelectedOperator(target), `not =?`);
     });
+
+    QUnit.test("display of a contextual value (readonly)", async (assert) => {
+        await makeDomainSelector({
+            domain: `[("foo", "=", uid)]`,
+            readonly: true,
+        });
+        assert.strictEqual(target.querySelector(".o_domain_leaf").textContent, `Foo = uid`);
+    });
 });