feat(server): add MPO file type support (#27963)

* feat(server): add MPO file type support

* fix(server): document description error

server/src/utils/mime-types.spec.ts

@@ -26,6 +26,7 @@ describe('mimeTypes', () => {
     { mimetype: 'image/jpeg', extension: '.jpe' },
     { mimetype: 'image/jpeg', extension: '.jpeg' },
     { mimetype: 'image/jpeg', extension: '.jpg' },
+    { mimetype: 'image/jpeg', extension: '.mpo' },
     { mimetype: 'image/jxl', extension: '.jxl' },
     { mimetype: 'image/k25', extension: '.k25' },
     { mimetype: 'image/kdc', extension: '.kdc' },

server/src/utils/mime-types.ts

@@ -58,6 +58,7 @@ const webUnsupportedImage = {
   '.jp2': ['image/jp2'],
   '.jpe': ['image/jpeg'],
   '.jxl': ['image/jxl'],
+  '.mpo': ['image/jpeg'],
   '.svg': ['image/svg'],
   '.tif': ['image/tiff'],
   '.tiff': ['image/tiff'],