[FIX] spreadsheet: switch global filter icon

Since the introduction of Data Filters, we have a dupicated icon for both
data filters and global filters in the topbar. Fix this by changing
the global filters icon to fa-search.

Also move CSS for global filter to entreprise where it should be.

Odoo task 3014307

closes odoo/odoo#103084

X-original-commit: e9d68085f09ddba0135b8c0995fd33b2de534eda
Related: odoo/enterprise#32720
Signed-off-by: Lucas Lefèvre (lul) <lul@odoo.com>
Signed-off-by: Minne Adrien (adrm) <adrm@odoo.com>

addons/spreadsheet/static/src/o_spreadsheet/o_spreadsheet_extended.scss

@@ -1,24 +1,13 @@
 .o-spreadsheet {
     height: 100%;
+
     .fa {
         font-family: FontAwesome;
     }
+
     .o-selection input {
         display: initial;
     }
-
-    // Align spreadsheet menus and toolbar with the breadcrumb in Odoo
-    .o-spreadsheet-topbar {
-        .o_topbar_filter_icon {
-            padding: 2px 3px;
-            font-size: 20px;
-            cursor: pointer;
-
-            &:hover {
-                background-color: #ebebeb;
-            }
-        }
-    }
 }
 
 .o-sidePanel .o-sidePanelButtons .o-sidePanelButton {