- this fixes issue #153 - save panel scroll position

src/components/helpers/scrollPosManager.ts

src/components/helpers/testing/testServerHints.tsx

src/components/helpers/testing/testSettingsView.tsx

src/components/panelSystem/panel/tabContentHost.tsx

...Panel/dialog/customTestsDialog/changeCustomTestDialog.tsx

...tsPanel/dialog/customTestsDialog/changeCustomTestView.tsx

...ExerciseSite/testsPanel/viewTestDialog/viewTestDialog.tsx

...doExerciseSite/testsPanel/viewTestDialog/viewTestView.tsx

...ProjectSite/dialogs/changeTestDialog/changeTestDialog.tsx

...omProjectSite/dialogs/changeTestDialog/changeTestView.tsx

...rSite/exerciseSettingsPanel/exerciseSettingsPanelView.tsx

...ditorSite/exerciseTestsPanel/dialogs/changeTestDialog.tsx

...eEditorSite/exerciseTestsPanel/dialogs/changeTestView.tsx

src/constants.ts

src/state/reducers/doExerciseSite/doExerciseSiteReducer.ts

...ers/editCustomProjectSite/editCustomProjectSiteReducer.ts

.../reducers/exerciseEditorSite/exerciseEditorSiteReducer.ts

src/state/reducers/tutorViewSite/tutorViewSiteReducer.ts

src/types/panelSystem.ts