Fix Server Error Parsing (#546)

* Update GuidedSourceData.js

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Update GuidedSourceData.js

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/renderer/src/stories/pages/guided-mode/data/GuidedSourceData.js

@@ -104,14 +104,11 @@ export class GuidedSourceDataPage extends ManagedPage {
                     if (isStorybook) return;
 
                     if (result.message) {
-                        const [
-                            type,
-                            text = `<small><pre>${result.traceback
-                                .trim()
-                                .split("\n")
-                                .slice(-2)[0]
-                                .trim()}</pre></small>`,
-                        ] = result.message.split(":");
+                        const [type, ...splitText] = result.message.split(":");
+                        const text = splitText.length
+                            ? splitText.join(":").replaceAll("<", "&lt").replaceAll(">", "&gt")
+                            : `<small><pre>${result.traceback.trim().split("\n").slice(-2)[0].trim()}</pre></small>`;
+
                         const message = `<h4 style="margin: 0;">Request Failed</h4><small>${type}</small><p>${text}</p>`;
                         this.notify(message, "error");
                         throw result;