chore: add toLowerCase to filterQueryParam computation

Author: GuustMetz

lib/public/views/Logs/Overview/LogsOverviewModel.js

@@ -219,7 +219,7 @@ export class LogsOverviewModel extends Observable {
             },
             ...!tags.isEmpty && {
                 'filter[tags][values]': tags.selected.join(),
-                'filter[tags][operation]': tags.combinationOperator,
+                'filter[tags][operation]': tags.combinationOperator.toLowerCase(),
             },
             ...!run.isEmpty && {
                 'filter[run][values]': run.normalized,