Fix api check - array properties under namespaces (#2731)

Author: sobolk

scripts/components/api-changes-validator/test-resources/test-projects/without-breaks/project-with-namespace/API.md

@@ -14,6 +14,7 @@ type SomeTypeUnderSubNamespace = {
 
 type SomeOtherTypeUnderSubNamespace = {
   someProperty: SomeTypeUnderSubNamespace;
+  someArrayProperty: SomeTypeUnderSubNamespace[];
 };
 
 class SomeClassUnderNamespace {

scripts/components/api-changes-validator/test-resources/test-projects/without-breaks/project-with-namespace/src/some_sub_namespace.ts

@@ -4,4 +4,5 @@ export type SomeTypeUnderSubNamespace = {
 
 export type SomeOtherTypeUnderSubNamespace = {
   someProperty: SomeTypeUnderSubNamespace;
+  someArrayProperty: SomeTypeUnderSubNamespace[];
 };

scripts/components/api-changes-validator/usage_statemets_renderer.ts

@@ -70,7 +70,7 @@ export class UsageStatementsRenderer {
       // characters that can be found before or after symbol
       // this is to prevent partial matches in case one symbol's characters are subset of longer one
       const possibleSymbolPrefix = '[\\s\\,\\(<;]';
-      const possibleSymbolSuffix = '[\\s\\,\\(\\)<>;\\.]';
+      const possibleSymbolSuffix = '[\\s\\,\\(\\)<>;\\.[]';
       const regex = new RegExp(
         `(${possibleSymbolPrefix})(${symbolName})(${possibleSymbolSuffix})`,
         'g',