[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/state/models/feeds/custom-feed.ts

@@ -2,6 +2,7 @@ import {AppBskyFeedDefs} from '@atproto/api'
 import {makeAutoObservable, runInAction} from 'mobx'
 import {RootStoreModel} from 'state/models/root-store'
 import {sanitizeDisplayName} from 'lib/strings/display-names'
+import {sanitizeHandle} from 'lib/strings/handles'
 import {updateDataOptimistically} from 'lib/async/revertible'
 import {track} from 'lib/analytics/analytics'
 
@@ -42,7 +43,7 @@ export class CustomFeedModel {
     if (this.data.displayName) {
       return sanitizeDisplayName(this.data.displayName)
     }
-    return `Feed by @${this.data.creator.handle}`
+    return `Feed by ${sanitizeHandle(this.data.creator.handle, '@')}`
   }
 
   get isSaved() {