Enable @typescript-eslint/explicit-member-accessibility on /src (#9785)

* Enable `@typescript-eslint/explicit-member-accessibility` on /src

* Prettier

src/utils/exportUtils/Exporter.ts

@@ -287,5 +287,5 @@ export default abstract class Exporter {
         return mxEv.getType() === attachmentTypes[0] || attachmentTypes.includes(mxEv.getContent().msgtype);
     }
 
-    abstract export(): Promise<void>;
+    public abstract export(): Promise<void>;
 }

src/utils/exportUtils/HtmlExport.tsx

@@ -49,7 +49,7 @@ export default class HTMLExporter extends Exporter {
     protected mediaOmitText: string;
     private threadsEnabled: boolean;
 
-    constructor(
+    public constructor(
         room: Room,
         exportType: ExportType,
         exportOptions: IExportOptions,

src/utils/exportUtils/JSONExport.ts

@@ -29,7 +29,7 @@ export default class JSONExporter extends Exporter {
     protected totalSize = 0;
     protected messages: Record<string, any>[] = [];
 
-    constructor(
+    public constructor(
         room: Room,
         exportType: ExportType,
         exportOptions: IExportOptions,

src/utils/exportUtils/PlainTextExport.ts

@@ -29,7 +29,7 @@ export default class PlainTextExporter extends Exporter {
     protected totalSize: number;
     protected mediaOmitText: string;
 
-    constructor(
+    public constructor(
         room: Room,
         exportType: ExportType,
         exportOptions: IExportOptions,