Relative mode (#1764)

* feat: add group start time to state

* refactor: calculate expected times when offset mode changes

* feat: show relative data in ui

* fixup! feat: add group start time to state

* fixup! refactor: calculate expected times when offset mode changes

* fixup! feat: show relative data in ui

* try to handle multiday

* show planed/expected rundown end day offset values

* refactor: style tweaks to timers

* refactor: cleanup data use

* day offset

* update tests

* test getExpectedStart multiday

* write start epoch to restore file

* current day in relative mode

* remove todo

* move find day offset to utils

---------

Co-authored-by: arc-alex <ac@omnivox.dk>

apps/server/src/stores/__mocks__/runtimeState.mocks.ts

@@ -14,6 +14,8 @@ const baseState: RuntimeState = {
     plannedStart: 0,
     plannedEnd: 0,
     actualStart: null,
+    actualGroupStart: null,
+    currentDay: 0,
   },
   offset: {
     absolute: 0,
@@ -46,6 +48,8 @@ const baseState: RuntimeState = {
   _group: null,
   _end: null,
   _flag: null,
+  _startDayOffset: null,
+  _startEpoch: null,
 };
 
 export function makeRuntimeStateData(patch?: Partial<RuntimeState>): RuntimeState {