fix(pat-inject): Fix problem with pat-autosubmit.

Fix a problem since Patternslib 9.9.6 where pat-inject didn't work
together with pat-autosubmit.

src/pat/auto-submit/auto-submit.js

@@ -1,6 +1,7 @@
 import "../../core/jquery-ext";
 import $ from "jquery";
 import Base from "../../core/base";
+import events from "../../core/events";
 import input_change_events from "../../lib/input-change-events";
 import logging from "../../core/logging";
 import Parser from "../../core/parser";
@@ -119,7 +120,7 @@ export default Base.extend({
 
     onInputChange(e) {
         e.stopPropagation();
-        this.$el.submit();
+        this.el.dispatchEvent(events.submit_event());
         log.debug("triggered by " + e.type);
     },
 });

src/pat/auto-submit/auto-submit.test.js

@@ -81,11 +81,19 @@ describe("pat-autosubmit", function () {
               </form>
             `;
             const input = document.querySelector(".pat-autosubmit");
-            const instance = new Pattern(input);
-            const spy = jest.spyOn(instance.$el, "submit");
+            new Pattern(input);
+            let submit_input_dispatched = false;
+            let submit_form_dispatched = false;
+            input.addEventListener("submit", () => {
+                submit_input_dispatched = true;
+            });
+            document.querySelector("form").addEventListener("submit", () => {
+                submit_form_dispatched = true;
+            });
             input.dispatchEvent(events.input_event());
             await utils.timeout(1);
-            expect(spy).toHaveBeenCalled();
+            expect(submit_input_dispatched).toBe(true);
+            expect(submit_form_dispatched).toBe(true);
         });
 
         it("2.2 - when pat-clone'd input is changed", async function () {
@@ -104,16 +112,20 @@ describe("pat-autosubmit", function () {
             const el_clone = document.querySelector(".pat-clone");
             const button_clone = document.querySelector(".add-clone");
 
-            const instance = new Pattern(el);
-            new pattern_clone(el_clone);
+            let submit_dispatched = false;
+            el.addEventListener("submit", () => {
+                submit_dispatched = true;
+            });
 
-            const spy = jest.spyOn(instance.$el, "submit");
+            new Pattern(el);
+            new pattern_clone(el_clone);
 
             button_clone.click();
 
             document.querySelector("form input").dispatchEvent(events.input_event());
 
-            expect(spy).toHaveBeenCalled();
+            await utils.timeout(1);
+            expect(submit_dispatched).toBe(true);
         });
 
         it("2.3 - when pat-clone removes an element", function () {

src/pat/auto-suggest/auto-suggest.test.js

@@ -437,15 +437,20 @@ describe("pat-autosuggest", function () {
 
             const pattern_autosubmit = (await import("../auto-submit/auto-submit")).default; // prettier-ignore
             const input = document.querySelector("input");
+            let submit_dispatched = false;
+            input.addEventListener("submit", () => {
+                submit_dispatched = true;
+            });
+
             new pattern(input);
-            const instance_autosubmit = new pattern_autosubmit(input);
-            const spy = jest.spyOn(instance_autosubmit.$el, "submit");
+            new pattern_autosubmit(input);
+
             await utils.timeout(1); // wait a tick for async to settle.
 
             $(".select2-input").click();
             $(document.querySelector(".select2-result")).mouseup();
 
-            expect(spy).toHaveBeenCalled();
+            expect(submit_dispatched).toBe(true);
         });
 
         it("4.2 - Works with pat-validate on an empty selection.", async function () {