feat(web): support uploading Insta360 file format (#2725)

Insta360 "raw" formats `insv` and `insp` are actually
mp4 (video) and jpeg (picture) respectively.
However, we don't want user to rename the original files,
because they follow Insta360 convention, which is required
by Insta360 Studio.

web/src/lib/utils/asset-utils.ts

@@ -146,6 +146,10 @@ export function getFileMimeType(file: File): string {
 			return 'image/x-fuji-raf';
 		case 'srw':
 			return 'image/x-samsung-srw';
+		case 'insp':
+			return 'image/jpeg';
+		case 'insv':
+			return 'video/mp4';
 		default:
 			return '';
 	}