Merge request studip/studip!1906

Closes #2589

Merge request studip/studip!1892

Closes #2816

Merge request studip/studip!1898

Closes #2815

Merge request studip/studip!1897

Closes #2814

Merge request studip/studip!1896

Closes #2809

Merge request studip/studip!1891

Closes #2803

Merge request studip/studip!1890

Closes #2784

Merge request studip/studip!1882

Closes #1134

Merge request studip/studip!1886

Closes #2752

Merge request studip/studip!1865

Closes #2618

Merge request studip/studip!1810

Closes #2354

Merge request studip/studip!1835

Closes #1866

Merge request studip/studip!1837

Closes #2756

Merge request studip/studip!1866

Closes #2556

Merge request studip/studip!1875

Closes #2770

Merge request studip/studip!1879

Closes #2765

Merge request studip/studip!1881

Closes #2114

Merge request studip/studip!1876

Closes #2771

Merge request studip/studip!1880

Closes #2755

Merge request studip/studip!1864

Closes #2786

Merge request studip/studip!1883

Closes #2789

Merge request studip/studip!1885

Closes #2788

Merge request studip/studip!1884

Closes #2749

Merge request studip/studip!1862

Closes #2747

Merge request studip/studip!1861

Merge request studip/studip!1860

Closes #2741

Merge request studip/studip!1857

Closes #2734

Merge request studip/studip!1854

Closes #2731

Merge request studip/studip!1850

Resolve "In einer neuen, leeren Installation können mit PHP 8.0 keine Einträge der Einrichtungshierarchie angelegt werden."

Closes #2733

Merge request studip/studip!1852

Closes #2711

Merge request studip/studip!1829

Closes #2712

Merge request studip/studip!1832

Closes #2707

Merge request studip/studip!1831

Closes #1974

Merge request studip/studip!1839

Closes #2732

Merge request studip/studip!1851

Closes #2729

Merge request studip/studip!1847