Fix an issue with coloring of the this parameter in parameter lists

Author: PranavSenthilnathan

TypeScript.YAML-tmTheme

@@ -7,7 +7,7 @@ uuid: 91489F9C-F403-4CF0-993D-EAAF9149E40E
 settings:
 - scope: storage.modifier, storage.type, keyword.control, keyword.other, keyword.operator.expression, keyword.operator.new, keyword.generator.asterisk, punctuation.definition.template-expression
   settings: { vsclassificationtype: keyword }
-- scope: support.type, constant.language, variable.language
+- scope: support.type, constant.language, variable.language, variable.language variable.parameter
   settings: { vsclassificationtype: keyword }
 
 - scope: string, punctuation.definition.string, constant.character

TypeScript.tmTheme

@@ -19,7 +19,7 @@
       </dict>
       <dict>
         <key>scope</key>
-        <string>support.type, constant.language, variable.language</string>
+        <string>support.type, constant.language, variable.language, variable.language variable.parameter</string>
         <key>settings</key>
         <dict>
           <key>vsclassificationtype</key>

TypeScriptReact.tmTheme

@@ -19,7 +19,7 @@
       </dict>
       <dict>
         <key>scope</key>
-        <string>support.type, constant.language, variable.language</string>
+        <string>support.type, constant.language, variable.language, variable.language variable.parameter</string>
         <key>settings</key>
         <dict>
           <key>vsclassificationtype</key>