perf(sqllab): Rendering perf improvement using immutable state (#20877)

* perf(sqllab): Rendering perf improvement using immutable state

- keep queryEditors immutable during active state
- add unsavedQueryEditor to store all active changes
- refactor each component to subscribe the related unsaved editor state only

* revert ISaveableDatasource type cast

* missing trigger prop

* a default of an empty object and optional operator

superset-frontend/src/SqlLab/utils/newQueryTabName.test.ts

@@ -17,9 +17,11 @@
  * under the License.
  */
 
+import { defaultQueryEditor } from 'src/SqlLab/fixtures';
 import { newQueryTabName } from './newQueryTabName';
 
 const emptyEditor = {
+  ...defaultQueryEditor,
   title: '',
   schema: '',
   autorun: false,