Polish: uppercase all admin view button text

- AuditLogView.php: FILTER, RESET
- UserActivityView.php: APPLY, RESET
- ApiKeysView.php: GENERATE KEY, COPY, REVOKE
- WorkflowDesignerView.php: + NEW TRANSITION, EDIT, DELETE, SAVE, CANCEL
- CustomFieldsView.php: + NEW FIELD, EDIT, DELETE, SAVE, CANCEL
- TemplatesView.php: + NEW TEMPLATE, EDIT, DELETE, SAVE, CANCEL
- RecurringTicketsView.php: + NEW RECURRING TICKET, EDIT, DISABLE/ENABLE, DELETE, SAVE, CANCEL

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

views/admin/AuditLogView.php

@@ -77,7 +77,7 @@ $nonce = SecurityHeadersMiddleware::getNonce();
                         <input type="date" name="date_to" value="<?php echo htmlspecialchars($filters['date_to'] ?? ''); ?>" class="setting-select">
                     </div>
                     <div style="display: flex; align-items: flex-end;">
-                        <button type="submit" class="btn">Filter</button>
+                        <button type="submit" class="btn">FILTER</button>
                         <a href="?" class="btn btn-secondary" style="margin-left: 0.5rem;">Reset</a>
                     </div>
                 </form>