Stores refactor: convert TypingStore; rename TestStores to TestSdkContext (#9454)

src/components/views/rooms/BasicMessageComposer.tsx

@@ -31,7 +31,6 @@ import Autocomplete, { generateCompletionDomId } from '../rooms/Autocomplete';
 import { getAutoCompleteCreator, Part, Type } from '../../../editor/parts';
 import { parseEvent, parsePlainTextMessage } from '../../../editor/deserialize';
 import { renderModel } from '../../../editor/render';
-import TypingStore from "../../../stores/TypingStore";
 import SettingsStore from "../../../settings/SettingsStore";
 import { IS_MAC, Key } from "../../../Keyboard";
 import { EMOTICON_TO_EMOJI } from "../../../emoji";
@@ -47,6 +46,7 @@ import { getKeyBindingsManager } from '../../../KeyBindingsManager';
 import { ALTERNATE_KEY_NAME, KeyBindingAction } from '../../../accessibility/KeyboardShortcuts';
 import { _t } from "../../../languageHandler";
 import { linkify } from '../../../linkify-matrix';
+import { SdkContextClass } from '../../../contexts/SDKContext';
 
 // matches emoticons which follow the start of a line or whitespace
 const REGEX_EMOTICON_WHITESPACE = new RegExp('(?:^|\\s)(' + EMOTICON_REGEX.source + ')\\s|:^$');
@@ -246,7 +246,7 @@ export default class BasicMessageEditor extends React.Component<IProps, IState>
                 isTyping = false;
             }
         }
-        TypingStore.sharedInstance().setSelfTyping(
+        SdkContextClass.instance.typingStore.setSelfTyping(
             this.props.room.roomId,
             this.props.threadId,
             isTyping,