adjust app icon to fit new filetype icons

img/app.svg

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://www.w3.org/2000/svg" height="32" width="32" version="1.0" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/">
- <path style="block-progression:tb;color:#000000;text-transform:none;text-indent:0" d="m5.7001 2.0041c-0.3949 0.0765-0.7071 0.4666-0.7 0.8748v26.246c0 0.458 0.4105 0.875 0.8616 0.875h20.278c0.4511-0.000012 0.86025-0.4168 0.86027-0.87489v-20.286c-0.007-0.1337-0.042-0.2658-0.106-0.3828-1.931-2.7792-4.071-4.8382-6.623-6.3976-0.086-0.0327-0.178-0.0512-0.27-0.0547h-14.139c-0.053686-0.0052-0.10786-0.0052-0.16155 0zm11.3 4.996c0-0.4714 0.5286-1 1-1h1v4h4v1c0 0.4714-0.5286 1-1 1h-4c-0.4714 0-1-0.5286-1-1 0-0.92823 0.000003-2.9834 0-4z" fill="#FFF"/>
+ <path style="color:#000000;block-progression:tb;text-transform:none;text-indent:0" fill="#fff" d="m4.6992 2.004c-0.395 0.0764-0.7062 0.4666-0.6992 0.875v26.244c0 0.46 0.4122 0.876 0.8632 0.876h22.276c0.452 0 0.864-0.416 0.864-0.876v-20.284c-0.008-0.1338-0.046-0.266-0.11-0.383l-6.624-6.3984c-0.086-0.0328-0.178-0.051-0.27-0.0546h-16.137c-0.0532-0.0053-0.11-0.0053-0.1636 0zm3.3008 3.996h12v2h-12v-2zm0 6h10v2h-10v-2zm0 6h16v2h-16v-2zm0 6h8v2h-8v-2z"/>
 </svg>