marktext: fix nix-env version parsing

pkgs/applications/misc/marktext/default.nix

@@ -2,20 +2,19 @@
 
 let
   pname = "marktext";
-  version = "v0.17.1";
-  name = "${pname}-${version}-binary";
+  version = "0.17.1";
 
   src = fetchurl {
-    url = "https://github.com/marktext/marktext/releases/download/${version}/marktext-x86_64.AppImage";
+    url = "https://github.com/marktext/marktext/releases/download/v${version}/marktext-x86_64.AppImage";
     sha256 = "2e2555113e37df830ba3958efcccce7020907b12fd4162368cfd906aeda630b7";
   };
 
   appimageContents = appimageTools.extractType2 {
-    inherit name src;
+    inherit pname version src;
   };
 in
 appimageTools.wrapType2 rec {
-  inherit name src;
+  inherit pname version src;
 
   profile = ''
     export LC_ALL=C.UTF-8
@@ -35,7 +34,7 @@ appimageTools.wrapType2 rec {
 
   extraInstallCommands = ''
     # Strip version from binary name.
-    mv $out/bin/${name} $out/bin/${pname}
+    mv $out/bin/${pname}-${version} $out/bin/${pname}
 
     install -m 444 -D ${appimageContents}/marktext.desktop $out/share/applications/marktext.desktop
     substituteInPlace $out/share/applications/marktext.desktop \