MDL-76388 user: Switch from deprecated string in core_user to core one

This case was left not changed @ MDL-72509, and detected by the
Moodle 4.1 apache logs review @ MDL-76064.

Not much to say, just switch to the core lang string, the other
is deprecated for 4.1 and up.

lib/amd/src/datafilter.js

@@ -418,7 +418,7 @@ export default class {
         [...Array(maxFilters)].forEach((_, rowIndex) => {
             requests.push({
                 "key": "filterrowlegend",
-                "component": "core_user",
+                "component": "core",
                 // Add 1 since rows begin at 1 (index begins at zero).
                 "param": rowIndex + 1
             });