Composer: Fix several pasting bugs on Firefox (#1478)

src/components/middle/composer/hooks/useClipboardPaste.ts

@@ -29,12 +29,12 @@ export default (
       const file = media && media.getAsFile();
       const pastedText = e.clipboardData.getData('text').substring(0, MAX_MESSAGE_LENGTH);
 
+      e.preventDefault();
+
       if (!file && !pastedText) {
         return;
       }
 
-      e.preventDefault();
-
       if (file && !editedMessage) {
         const attachment = await buildAttachment(file.name, file, true);
         setAttachments((attachments) => [

src/util/imageResize.ts

@@ -44,6 +44,9 @@ async function scale(
     try {
       const bitmap = await window.createImageBitmap(img,
         { resizeWidth: width, resizeHeight: height, resizeQuality: 'high' });
+      if (bitmap.height !== height || bitmap.width !== width) {
+        throw new Error('Image bitmap resize not supported!'); // FF93 added support for options, but not resize
+      }
       return await new Promise((res) => {
         const canvas = document.createElement('canvas');
         canvas.width = bitmap.width;
@@ -58,10 +61,10 @@ async function scale(
       });
     } catch (e) {
       // Fallback. Firefox below 93 does not recognize `createImageBitmap` with 2 parameters
-      return steppedScale(img, width, height, 0.5, outputType);
+      return steppedScale(img, width, height, undefined, outputType);
     }
   } else {
-    return steppedScale(img, width, height, 0.5, outputType);
+    return steppedScale(img, width, height, undefined, outputType);
   }
 }