Handle large and all entity queries (#3544)

* Remove upper page size limit
* Batch GetMany function
* Remove upper query limit from UI

pkg/sqlite/batch.go

@@ -0,0 +1,20 @@
+package sqlite
+
+const defaultBatchSize = 1000
+
+// batchExec executes the provided function in batches of the provided size.
+func batchExec(ids []int, batchSize int, fn func(batch []int) error) error {
+	for i := 0; i < len(ids); i += batchSize {
+		end := i + batchSize
+		if end > len(ids) {
+			end = len(ids)
+		}
+
+		batch := ids[i:end]
+		if err := fn(batch); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}