[FIX] web: kanban dropdown without toggler

In a kanban arch, have a dropdown that don't have a toggler, just an
explicit menu.

Before this commit, there was a crash.

After this commit, the kanban and the dropdown are correctly rendered.

closes odoo/odoo#104019

X-original-commit: 01418c474cb02455660156cf47822588f0554376
Signed-off-by: Lucas Perais (lpe) <lpe@odoo.com>

addons/web/static/src/views/kanban/kanban_compiler.js

@@ -88,7 +88,7 @@ export class KanbanCompiler extends ViewCompiler {
             return this.renderDropdown(part);
         }
         dropdown.parts.push(part);
-        if (part !== "menu") {
+        if (part !== "menu" || dropdown.parts.includes("dropdown")) {
             dropdown.shouldInsert = !dropdown.inserted;
             dropdown.inserted = true;
         }

addons/web/static/tests/views/kanban_view_tests.js

@@ -380,6 +380,34 @@ QUnit.module("Views", (hooks) => {
         assert.strictEqual(target.querySelector("span.o_text_block").textContent, "yop");
     });
 
+    QUnit.test("dropdown without toggler are correctly rendered", async (assert) => {
+        serverData.models.partner.records = [serverData.models.partner.records[0]];
+        await makeView({
+            type: "kanban",
+            resModel: "partner",
+            serverData,
+            arch: `
+                <kanban class="o_kanban_test">
+                    <templates><t t-name="kanban-box">
+                        <div>
+                            <div class="dropdown">
+                                <div class="dropdown-menu">
+                                    <a class="someItem" />
+                                </div>
+                            </div>
+                        </div>
+                    </t></templates>
+                </kanban>`,
+        });
+
+        assert.containsOnce(target, ".o-dropdown.dropdown.o_dropdown_kanban");
+        await click(target, ".o_kanban_record .o-dropdown button.dropdown-toggle");
+        assert.containsOnce(
+            target,
+            ".o_kanban_record .o-dropdown .o-dropdown--menu > div > a.someItem"
+        );
+    });
+
     QUnit.test("basic grouped rendering", async (assert) => {
         assert.expect(13);