feat(SqlLab): Change Save Dataset Button to Split Save Query Button IV (#20852)

* Moving entire split save btn PR

* Addressed review comments

* Remove arbitrary div from ErrorBoundary in Chart

* Added accidentally removed comment

* Fix act errors in SaveQuery tests

* Fix SaveDatasetActionButton test

* SaveDatasetModal test almost working

* SaveDatasetModal tests all passing

* Clean SaveDatasetModal test

* Fix create chart button and SaveDatasetModal text in SQL Lab

* Fix untitled dataset name on SaveDatasetModal in explore

* Fix styling on split save button

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

@@ -36,8 +36,8 @@ describe('newQueryTabName', () => {
   it('should return next available number if there are unsaved editors', () => {
     const untitledQueryText = 'Untitled Query';
     const unsavedEditors = [
-      { ...emptyEditor, title: `${untitledQueryText} 1` },
-      { ...emptyEditor, title: `${untitledQueryText} 2` },
+      { ...emptyEditor, name: `${untitledQueryText} 1` },
+      { ...emptyEditor, name: `${untitledQueryText} 2` },
     ];
 
     const nextTitle = newQueryTabName(unsavedEditors);

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

@@ -31,10 +31,10 @@ export const newQueryTabName = (
 
   if (queryEditors.length > 0) {
     const mappedUntitled = queryEditors.filter(qe =>
-      qe.title.match(untitledQueryRegex),
+      qe.name.match(untitledQueryRegex),
     );
     const untitledQueryNumbers = mappedUntitled.map(
-      qe => +qe.title.replace(untitledQuery, ''),
+      qe => +qe.name.replace(untitledQuery, ''),
     );
     if (untitledQueryNumbers.length > 0) {
       // When there are query tabs open, and at least one is called "Untitled Query #"