feat(server): optimize person thumbnail generation (#7513)

* do crop and resize together

* redundant `pipelineColorspace` call

* formatting

* fix rebase

* handle orientation

* remove unused import

* formatting

* use oriented dimensions for half size calculation

* default case for orientation

* simplify orientation code

---------

Co-authored-by: Alex <alex.tran1502@gmail.com>

server/test/fixtures/asset.stub.ts

@@ -163,6 +163,8 @@ export const assetStub = {
     sidecarPath: null,
     exifInfo: {
       fileSizeInByte: 5000,
+      exifImageHeight: 1000,
+      exifImageWidth: 1000,
     } as ExifEntity,
     stack: assetStackStub('stack-1', [
       { id: 'primary-asset-id' } as AssetEntity,
@@ -207,6 +209,8 @@ export const assetStub = {
     sidecarPath: null,
     exifInfo: {
       fileSizeInByte: 5000,
+      exifImageHeight: 3840,
+      exifImageWidth: 2160,
     } as ExifEntity,
   }),