[7.12] [Bug] missing timepicker:quickRanges migration (#93409) (#94424)

* [Bug] missing timepicker:quickRanges migration (#93409)

* timepicker:quickRanges

* code review

* Change into a 7.12 migration
# Conflicts:
#	src/core/server/ui_settings/saved_objects/migrations.ts

* Delete migration

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

src/core/server/ui_settings/saved_objects/migrations.ts

@@ -28,4 +28,32 @@ export const migrations = {
     }),
     references: doc.references || [],
   }),
+  '7.12.0': (doc: SavedObjectUnsanitizedDoc<any>): SavedObjectSanitizedDoc<any> => ({
+    ...doc,
+    ...(doc.attributes && {
+      attributes: Object.keys(doc.attributes).reduce((acc, key) => {
+        if (key === 'timepicker:quickRanges' && doc.attributes[key].indexOf('section') > -1) {
+          const ranges = JSON.parse(doc.attributes[key]).map(
+            ({ from, to, display }: { from: string; to: string; display: string }) => {
+              return {
+                from,
+                to,
+                display,
+              };
+            }
+          );
+          return {
+            ...acc,
+            'timepicker:quickRanges': JSON.stringify(ranges, null, 2),
+          };
+        } else {
+          return {
+            ...acc,
+            [key]: doc.attributes[key],
+          };
+        }
+      }, {}),
+    }),
+    references: doc.references || [],
+  }),
 };