Minor release with the following bug fixes and improvements:

Core & Rule Engine

• Improvements for mobile notifications visualization by @ViacheslavKlimov in https://github.com/thingsboard/thingsboard/pull/10420
• Changed type of ThingsboardErrorResponse timestamp from Date to long by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10302
• Refactoring of RPC query by @smatvienko-tb in https://github.com/thingsboard/thingsboard/pull/10039
• Fixed TLS Factory error when no password was set in configuration by @irynamatveieva in https://github.com/thingsboard/thingsboard/pull/10311
• Fixed NPE related to the entity service registry initialization by @YevhenBondarenko in https://github.com/thingsboard/thingsboard/pull/10385
• Fixed GIT repository initialization after repo directory deletion by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10321
• Fixed Oauth2 mail refresh token check is being executed only for active, not expired tokens by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10366
• Fixed accident delete of propagated alarms during parent asset deletion by @dashevchenko in https://github.com/thingsboard/thingsboard/pull/10455

UI

• Fixed draggable marker and not draw new polygons in map widgets by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10446
• Fixed not opened image gallery when used multiple-gallery-image-input.component.ts by @vvlladd28 in https://github.com/thingsboard/thingsboard/pull/10449
• Fixed battery level widget for Safari and Firefox by @ArtemDzhereleiko in https://github.com/thingsboard/thingsboard/pull/10459

Full Changelog: https://github.com/thingsboard/thingsboard/compare/v3.6.3...v3.6.4