[APP-782] Support invalid handles correctly (#1049)

* Update profile link construction to support handle.invalid

* Update list links  to support using handles

* Use did for isMe check to ensure invalid handles dont distort the check

* Shift the red (error) colors away from the pink spectrum

* Add ThemedText helper component

* Add sanitizedHandle() helper to render invalid handles well

* Fix regression: only show avatar in PostMeta when needed

* Restore the color of likes

* Remove users with invalid handles from default autosuggests

src/lib/strings/handles.ts

@@ -11,3 +11,11 @@ export function createFullHandle(name: string, domain: string): string {
   domain = (domain || '').replace(/^[.]+/, '')
   return `${name}.${domain}`
 }
+
+export function isInvalidHandle(handle: string): boolean {
+  return handle === 'handle.invalid'
+}
+
+export function sanitizeHandle(handle: string, prefix = ''): string {
+  return isInvalidHandle(handle) ? '⚠Invalid Handle' : `${prefix}${handle}`
+}