System: Date formating options (#27216)

* Add support for local time formats in graph panel

* Enfore 24h format for backward compatibility

* Use existing Intl.DateTimeFormatOptions

* Pre-generate time scale, add tests

* Move localTimeFormat, add local format to units

* updated default fallback

* #25602, use navigator.languages to enforce locale in formatting

* Making options

* Worked new system settings

* things are working

* Local browser time formats working

* Support parsing dates in different formats

* settings updated

* Settings starting to work

* Fixed graph issue

* Logs fix

* refactored settings a bit

* Updated and name change

* Progress

* Changed config names

* Updated

* Updated

* Updated test

* Synced description

* fixed ts issue

* Added version notice

* Ts fix

* Updated heatmap and test

* Updated snapshot

* Updated

* fixed ts issue

* Fixes

Co-authored-by: Alex Shpak <alex-shpak@users.noreply.github.com>

pkg/services/sqlstore/preferences.go

@@ -19,6 +19,7 @@ func init() {
 func GetPreferencesWithDefaults(query *models.GetPreferencesWithDefaultsQuery) error {
 	params := make([]interface{}, 0)
 	filter := ""
+
 	if len(query.User.Teams) > 0 {
 		filter = "(org_id=? AND team_id IN (?" + strings.Repeat(",?", len(query.User.Teams)-1) + ")) OR "
 		params = append(params, query.User.OrgId)
@@ -26,6 +27,7 @@ func GetPreferencesWithDefaults(query *models.GetPreferencesWithDefaultsQuery) e
 			params = append(params, v)
 		}
 	}
+
 	filter += "(org_id=? AND user_id=? AND team_id=0) OR (org_id=? AND team_id=0 AND user_id=0)"
 	params = append(params, query.User.OrgId)
 	params = append(params, query.User.UserId)