Relative run mode (#1512)

* inti relative mode

* send imediat update on mode change

* add relative to test

* don't persist offset mode

* add test relative and update calc function

* pass data from ssocket

* add dev guard

* spelling and comments

* show relative in offset overview

* remove comments

* refactor: move totalDelay to _rundown

* update  clear naming and comments

* remove old testing values

apps/server/src/stores/__tests__/runtimeState.test.ts

@@ -4,7 +4,7 @@ import { deepmerge } from 'ontime-utils';
 import {
   type RuntimeState,
   addTime,
-  clear,
+  clearState,
   getState,
   load,
   loadBlock,
@@ -71,7 +71,7 @@ beforeAll(() => {
 
 describe('mutation on runtimeState', () => {
   beforeEach(() => {
-    clear();
+    clearState();
 
     vi.mock('../../services/rundown-service/RundownService.js', async (importOriginal) => {
       const actual = (await importOriginal()) as object;
@@ -246,7 +246,7 @@ describe('roll mode', () => {
   beforeEach(() => {
     vi.useFakeTimers();
     vi.setSystemTime('jan 1 00:00');
-    clear();
+    clearState();
   });
   afterEach(() => {
     vi.useRealTimers();