fixed bug where const params in source 1/2 can be functions

Author: mug1wara26

server/src/rules/callExpression.ts

@@ -18,7 +18,7 @@ export const callExpressionRule = new class extends Rule<CallExpression> {
               let declaration = ast.findDeclarationByName(callee.name, loc)
               if (declaration !== undefined) {
                 // We cannot check for let because they can be reassigned. Constants assigned to lambdas will still be "func"
-                if (declaration.meta === "const")
+                if (declaration.meta === "const" && declaration.declarationKind !== DeclarationKind.KIND_PARAM)
                   ast.addDiagnostic(`'${callee.name}' is not a function`, DiagnosticSeverity.Error, loc);
                 if (declaration.parameters !== undefined || declaration.declarationKind === DeclarationKind.KIND_IMPORT) {
                   let hasRestElement = false;