No unused locals (#8231)

* add no unused local

* fix strict null

* fix compile errors

* update vscode comments

src/vs/code/electron-browser/issue/issueReporterModel.ts

@@ -66,7 +66,7 @@ export class IssueReporterModel {
 Issue Type: <b>${this.getIssueTypeTitle()}</b>
 
 ${this._data.issueDescription}
-
+${this.getExtensionVersion()}
 Azure Data Studio version: ${this._data.versionInfo && this._data.versionInfo.vscodeVersion}
 OS version: ${this._data.versionInfo && this._data.versionInfo.os}
 ${this.getRemoteOSes()}
@@ -269,4 +269,4 @@ ${table}
 
 </details>`;
 	}
-}
+}