SAK-50477 Assignments allow partial searches in the assignments list (#…

…12952)

(cherry picked from commit 9c708ac)

assignment/tool/src/java/org/sakaiproject/assignment/tool/AssignmentAction.java

@@ -12780,7 +12780,7 @@ protected int sizeResources(SessionState state) {
                 String searchTerm = (String) state.getAttribute(SEARCH_ASSIGNMENTS);
                 if (searchTerm != null && !searchTerm.isEmpty()) {
                     returnResources = ((List<Assignment>)returnResources).stream()
-                        .filter(a -> a.getTitle().equalsIgnoreCase(searchTerm))
+                        .filter(a -> a.getTitle().toLowerCase().contains(searchTerm.toLowerCase()))
                         .collect(Collectors.toList());
                 }