[IMP] web : Display the full text when hovering the search panel

Following an FP-Request, this PR aims to ease the life of the user
by indicating the full name of the elements that are truncated due
to their length as a tooltip.
task-3332648

closes odoo/odoo#121963

Signed-off-by: Kevin Baptiste <kba@odoo.com>

addons/web/static/src/search/search_panel/search_panel.xml

@@ -181,6 +181,7 @@
                         class="o_search_panel_label_title text-truncate"
                         t-att-class="{'fw-bold' : value.bold}"
                         t-esc="value.display_name"
+                        t-att-data-tooltip="value.display_name"
                         />
                 </div>
                 <small t-if="section.enableCounters and value.__count gt 0"