Resolve #7779
* accountsストアはindexedDBで保持するように * fix lint * fix indexeddb available detection * remove debugging code * fix lint * resolve ba756204b7 (diff-f565878e8202f0037b830c780b7c0932dc1bb5fd3d05ede14d72d10efbc3740c) Firefoxでの動作を改善 * fix lint * fix lint * add changelog
ba756204b7 (diff-f565878e8202f0037b830c780b7c0932dc1bb5fd3d05ede14d72d10efbc3740c)