feat(mimetypes): Added musicxml mimetypes

lib/private/Repair/RepairMimeTypes.php

@@ -337,6 +337,20 @@ class RepairMimeTypes implements IRepairStep {
 		return $this->updateMimetypes($updatedMimetypes);
 	}
 
+	/**
+	 * @throws Exception
+	 * @since 32.0.0
+	 */
+	private function introduceMusicxmlType(): IResult|int|null {
+			'mxl' => 'application/vnd.recordare.musicxml',
+			'musicxml' => 'application/vnd.recordare.musicxml+xml',
+		];
+
+		return $this->updateMimetypes($updatedMimetypes);
+	}
+
+	
+
 	/**
 	 * Check if there are any migrations available
 	 *
@@ -447,6 +461,10 @@ class RepairMimeTypes implements IRepairStep {
 			$out->info('Fixed zst mime type');
 		}
 
+		if (version_compare($mimeTypeVersion, '32.0.0.0', '<') && $this->introduceMusicxmlType()) {
+			$out->info('Fixed musicxml mime type');
+		}
+
 		if (!$this->dryRun) {
 			$this->appConfig->setValueString('files', 'mimetype_version', $serverVersion);
 		}

resources/config/mimetypemapping.dist.json

@@ -129,6 +129,8 @@
 	"msi": ["application/x-msi"],
 	"mt2s": ["video/MP2T"],
 	"mts": ["video/MP2T"],
+	"musicxml": ["application/vnd.recordare.musicxml+xml"],
+	"mxl": ["application/vnd.recordare.musicxml"],
 	"nef": ["image/x-dcraw"],
 	"nfo": ["text/x-nfo"],
 	"numbers": ["application/x-iwork-numbers-sffnumbers"],