Add setCurrentBoard to boardsStore

(cherry picked from commit 9cd745c65bcb51d615399e82d8b26ef5cce972e1)

app/assets/javascripts/boards/stores/boards_store.js

@@ -374,6 +374,10 @@ const boardsStore = {
   deleteBoard({ id }) {
     return axios.delete(this.generateBoardsPath(id));
   },
+
+  setCurrentBoard(board) {
+    this.state.currentBoard = board;
+  },
 };
 
 BoardsStoreEE.initEESpecific(boardsStore);

spec/javascripts/boards/boards_store_spec.js

@@ -365,4 +365,17 @@ describe('Store', () => {
       expect(boardsStore.timeTracking.limitToHours).toEqual(true);
     });
   });
+
+  describe('setCurrentBoard', () => {
+    const dummyBoard = 'hoverboard';
+
+    it('sets the current board', () => {
+      const { state } = boardsStore;
+      state.currentBoard = null;
+
+      boardsStore.setCurrentBoard(dummyBoard);
+
+      expect(state.currentBoard).toEqual(dummyBoard);
+    });
+  });
 });