Update position of buttons and add to all pages

compendium-frontend/src/components/DataPage.tsx

compendium-frontend/src/components/DownloadContainer.tsx

...dium-frontend/src/components/DownloadImageChartButton.tsx

compendium-frontend/src/main.scss

compendium-frontend/src/pages/Budget.tsx

compendium-frontend/src/pages/ChargingStructure.tsx

compendium-frontend/src/pages/ConnectedInstitutionsURLs.tsx

compendium-frontend/src/pages/ConnectedUser.tsx

compendium-frontend/src/pages/ECProjects.tsx

compendium-frontend/src/pages/FundingSource.tsx

compendium-frontend/src/pages/ParentOrganisation.tsx

compendium-frontend/src/pages/Policy.tsx

compendium-frontend/src/pages/Services.tsx

compendium-frontend/src/pages/StaffGraph.tsx

compendium-frontend/src/pages/SubOrganisation.tsx

compendium-frontend/src/pages/TrafficVolumePerNren.tsx