fix(latex): Fix excess spacing of begin snippet (#483)

Author: A-H4NU

snippets/latex/latex-snippets.json

@@ -270,7 +270,7 @@
         "prefix": "begin",
         "body": [
             "\\\\begin{${1:env}}",
-            "\t${1/(enumerate|itemize|list)|(description)|(.*)/${1:+\\item }${2:+\\item[] }${3:+ }/}$0",
+            "\t${1/(enumerate|itemize|list)|(description)|(.*)/${1:+\\item }${2:+\\item[] }${3:+}/}$0",
             "\\\\end{${1:env}}"
         ],
         "description": "Begin - End"