chore: get rid of organizationId from payload on event creation view

it's redundant and inferred from the user's token

WebApp/DTOs/EventSearchDto.cs

@@ -3,7 +3,7 @@ using WebApp.Entities;
 
 namespace WebApp.DTOs;
 
-// Output values in JSON file
+// Input values in JSON file
 public record class EventSearchDto
 (
     int? OrganisationId,

WebApp/ts/eventCreate.ts

@@ -6,23 +6,20 @@ async function createEvent() {
     const location = (document.getElementById('location') as HTMLInputElement).value;
     const description = (document.getElementById('description') as HTMLTextAreaElement).value;
     const eventDateRaw = (document.getElementById('eventDate') as HTMLInputElement).value;
-    const organisationIdRaw = (document.getElementById('organisationId') as HTMLInputElement).value;
 
     // Walidacja prostych pól
-    if (!title || !location || !eventDateRaw || !organisationIdRaw) {
+    if (!title || !location || !eventDateRaw) {
         alert("Uzupełnij wszystkie wymagane pola!");
         return;
     }
 
     const eventDate = new Date(eventDateRaw).toISOString();
-    const organisationId = parseInt(organisationIdRaw);
 
     const payload = {
         title,
         location,
         description,
         eventDate,
-        organisationId
     };
 
     try {

WebApp/wwwroot/create.html

@@ -72,10 +72,6 @@
                 <label for="eventDate">Data</label>
                 <input id="eventDate" type="datetime-local" class="form-control input-field" />
             </div>
-            <div class="form-group mb-4">
-                <label for="organisationId">ID Organizacji</label>
-                <input id="organisationId" type="number" class="form-control input-field" />
-            </div>
 
             <button id="saveBtn" class="button"><span>Save</span><span>&#11166;</span></button>