fix(post-configuration-panel): fix no create tag option in tags selector in some cases (#42)

Author: laggage

ui/post-configuration/components/TagsInput.tsx

@@ -57,7 +57,7 @@ export class TagsInput extends React.Component<ITagsInputProps, ITagsInputState>
                     (!selectedTags || selectedTags.findIndex(st => st.name === tag.name) < 0)
             )
             .map(x => ({ name: x.name, key: x.id } as ITag));
-        if (filteredTags.length <= 0 || filteredTags.findIndex(t => t.name.toLowerCase() !== filterText)) {
+        if (filteredTags.length <= 0 || tags.findIndex(t => t.name.toLowerCase() === filterText.toLowerCase()) < 0) {
             filteredTags.push({ name: filterText, key: filterText, isNew: true } as INewTag);
         }
         return filteredTags;