[Security Solution][Bug] Alert Table raises error when switchting to event rendered view (#151994)

## Summary

This PR handles: 

1. #151992 [Security Solution] Alert Table raises error when switching
to event rendered view.
- Issue was related `cellActions` package where changes in columns was
not leading to re-calculation of cell actions on those new columns.
3. Minor table width issue - Sometime table is not expanded to the 100%
of the container width.

## Before


https://user-images.githubusercontent.com/7485038/220914906-dcce7ba1-0318-44fd-a097-df86344f7727.mov

## After ( Resolved Issue 1 & 2)


https://user-images.githubusercontent.com/7485038/220921916-fa4b36ad-b8e1-4a8d-ad0d-a778c911bb5b.mov

packages/kbn-cell-actions/src/hooks/use_load_actions.test.ts

@@ -176,5 +176,28 @@ describe('loadActions hooks', () => {
 
       expect(result.current.value).toEqual([[actionEnabled], [actionEnabled]]);
     });
+
+    it('should re-render when contexts is changed', async () => {
+      const { result, rerender, waitForNextUpdate } = renderHook(useBulkLoadActions, {
+        initialProps: [actionContext],
+      });
+
+      await waitForNextUpdate();
+      expect(mockGetActions).toHaveBeenCalledWith(actionContext);
+
+      rerender([actionContext2]);
+      await waitForNextUpdate();
+      expect(mockGetActions).toHaveBeenCalledWith(actionContext2);
+
+      mockGetActions.mockClear();
+
+      rerender([]);
+      await waitForNextUpdate();
+      expect(mockGetActions).toHaveBeenCalledTimes(0);
+
+      expect(result.current.value).toBeInstanceOf(Array);
+      expect(result.current.value).toHaveLength(0);
+      expect(result.current.loading).toBe(false);
+    });
   });
 });

packages/kbn-cell-actions/src/hooks/use_load_actions.ts

@@ -66,7 +66,7 @@ export const useBulkLoadActions = (
           )
         )
       ),
-    []
+    [contexts]
   );
   useThrowError(error);
   return actionsState;

x-pack/plugins/security_solution/public/detections/components/alerts_table/index.tsx

@@ -282,8 +282,8 @@ export const AlertsTableComponent: FC<DetectionEngineAlertTableProps> = ({
         id: tableId,
         title: i18n.SESSIONS_TITLE,
         defaultColumns: finalColumns.map((c) => ({
-          ...c,
           initialWidth: DEFAULT_COLUMN_MIN_WIDTH,
+          ...c,
         })),
       })
     );