OZG-6185 optimize bescheid layout and buttons

...wizard-container/bescheid-wizard-container.component.html

...n-button/bescheid-wizard-abschliessen-button.component.ts

...ton/bescheid-wizard-create-document-button.component.html

...m/bescheid-wizard-dokumente-hochladen-form.component.html

...ton/bescheid-wizard-upload-document-button.component.html

...utton/bescheid-wizard-upload-document-button.component.ts

...form/file-upload-editor/file-upload-editor.component.html

...le-upload-editor/single-file-upload-editor.component.html