fix(ts): fix function decl error issues

Author: phodal

chapi-ast-typescript/src/main/antlr/TypeScriptParser.g4

@@ -401,7 +401,7 @@ enumMember
 // Function Declaration
 
 functionDeclaration
-    : propertyMemberBase Function '*'? identifierName callSignature functionBody? SemiColon?
+    : propertyMemberBase? Function '*'? identifierName callSignature functionBody? SemiColon?
     ;
 
 functionBody

chapi-ast-typescript/src/test/kotlin/chapi/ast/typescriptast/TypeScriptFullIdentListenerTest.kt

@@ -839,6 +839,9 @@ function reload() {
         val codeFile = TypeScriptAnalyser().analysis(code, "index.tsx")
         val defaultStruct = codeFile.DataStructures[0]
         assertEquals(1, defaultStruct.Functions.size)
+
+        println(Json.encodeToString(defaultStruct.Functions[0]))
+
         assertEquals(1, defaultStruct.Functions[0].FunctionCalls.size)
         assertEquals("storage->getSystemId", defaultStruct.Functions[0].FunctionCalls[0].FunctionName)
     }