chore: fix some minor issues in the comments (#3682)

fix some minor issues in the comments

<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Corrects error message punctuation in `BaseSnapExecutor` and fixes a
doc comment typo in `Italic` component.
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
84c6f78. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Signed-off-by: withtimezone <[email protected]>

Author: withtimezone

packages/snaps-execution-environments/src/common/BaseSnapExecutor.ts

@@ -174,7 +174,7 @@ export class BaseSnapExecutor {
 
         assert(
           !required || handler !== undefined,
-          `No ${handlerType} handler exported for snap "${target}`,
+          `No ${handlerType} handler exported for snap "${target}".`,
           rpcErrors.methodNotSupported,
         );
 

packages/snaps-sdk/src/jsx/components/formatting/Italic.ts

@@ -23,7 +23,7 @@ export type ItalicProps = {
 const TYPE = 'Italic';
 
 /**
- * An italic component, which is used to display text in italic. This componen
+ * An italic component, which is used to display text in italic. This component
  * can only be used as a child of the {@link Text} component.
  *
  * @param props - The props of the component.