[MM-60232] Fix a crash in Linux when trying to create a thumbnail fro…

…m an image (#3147)

* [MM-60232] Fix a crash in Linux when trying to create a thumbnail from an image

* Fix lint

* Cap at 1MB

* Fix crash again

src/main/downloadsManager.ts

@@ -635,7 +635,15 @@ export class DownloadsManager extends JsonFileManager<DownloadedItems> {
 
         let thumbnailData;
         if (state === 'completed' && item.getMimeType().toLowerCase().startsWith('image/')) {
-            thumbnailData = (await nativeImage.createThumbnailFromPath(overridePath ?? item.getSavePath(), {height: 32, width: 32})).toDataURL();
+            // Linux doesn't support the thumbnail creation so we have to use the base function
+            if (process.platform === 'linux') {
+                // We also will cap this at 1MB so as to not inflate the memory usage of the downloads dropdown
+                if (item.getReceivedBytes() < 1000000) {
+                    thumbnailData = (await nativeImage.createFromPath(overridePath ?? item.getSavePath())).toDataURL();
+                }
+            } else {
+                thumbnailData = (await nativeImage.createThumbnailFromPath(overridePath ?? item.getSavePath(), {height: 32, width: 32})).toDataURL();
+            }
         }
 
         return {