Maintain saved filters in full export/import (#5465)

* Remove ellipsis from full export button

pkg/models/jsonschema/load.go

@@ -0,0 +1,31 @@
+package jsonschema
+
+import (
+	"fmt"
+	"os"
+
+	jsoniter "github.com/json-iterator/go"
+)
+
+func loadFile[T any](filePath string) (*T, error) {
+	var ret T
+	file, err := os.Open(filePath)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+	var json = jsoniter.ConfigCompatibleWithStandardLibrary
+	jsonParser := json.NewDecoder(file)
+	err = jsonParser.Decode(&ret)
+	if err != nil {
+		return nil, err
+	}
+	return &ret, nil
+}
+
+func saveFile[T any](filePath string, obj *T) error {
+	if obj == nil {
+		return fmt.Errorf("object must not be nil")
+	}
+	return marshalToFile(filePath, obj)
+}