line number formatting changes in code diff component to improve accessibility

Author: neel1996

build/asset-manifest.json

@@ -1,8 +1,8 @@
 {
   "files": {
     "main.css": "/static/css/main.bece8f5e.chunk.css",
-    "main.js": "/static/js/main.647c3f47.chunk.js",
-    "main.js.map": "/static/js/main.647c3f47.chunk.js.map",
+    "main.js": "/static/js/main.7c0b6200.chunk.js",
+    "main.js.map": "/static/js/main.7c0b6200.chunk.js.map",
     "runtime-main.js": "/static/js/runtime-main.704666b2.js",
     "runtime-main.js.map": "/static/js/runtime-main.704666b2.js.map",
     "static/js/2.72df468b.chunk.js": "/static/js/2.72df468b.chunk.js",
@@ -916,7 +916,7 @@
     "static/js/456.5871dfd5.chunk.js": "/static/js/456.5871dfd5.chunk.js",
     "static/js/456.5871dfd5.chunk.js.map": "/static/js/456.5871dfd5.chunk.js.map",
     "index.html": "/index.html",
-    "precache-manifest.6023e89eab58042045f74f1051b1f4d5.js": "/precache-manifest.6023e89eab58042045f74f1051b1f4d5.js",
+    "precache-manifest.f35f85dd2d7eedf8d33aad8c2d91fc6d.js": "/precache-manifest.f35f85dd2d7eedf8d33aad8c2d91fc6d.js",
     "service-worker.js": "/service-worker.js",
     "static/css/main.bece8f5e.chunk.css.map": "/static/css/main.bece8f5e.chunk.css.map",
     "static/js/2.72df468b.chunk.js.LICENSE.txt": "/static/js/2.72df468b.chunk.js.LICENSE.txt",
@@ -927,6 +927,6 @@
     "static/js/runtime-main.704666b2.js",
     "static/js/2.72df468b.chunk.js",
     "static/css/main.bece8f5e.chunk.css",
-    "static/js/main.647c3f47.chunk.js"
+    "static/js/main.7c0b6200.chunk.js"
   ]
 }