Fix missing utility functions import after blossomUpload.ts removal

- Move isValidUrl and isImageUrl functions from deleted blossomUpload.ts to utils.ts
- Update IconUpload component to import from utils instead of blossomUpload
- Resolves compile error about missing blossomUpload module

Author: Maphikza

src/components/common/IconUpload.tsx

@@ -1,7 +1,7 @@
 import React, { useState, useRef, useEffect } from 'react';
 import { Input, Upload, Button, message, Tabs, Avatar } from 'antd';
 import { UploadOutlined, LinkOutlined, LoadingOutlined } from '@ant-design/icons';
-import { isValidUrl, isImageUrl } from '@app/utils/blossomUpload';
+import { isValidUrl, isImageUrl } from '@app/utils/utils';
 import { readToken } from '@app/services/localStorage.service';
 import config from '@app/config/config';
 import type { RcFile } from 'antd/es/upload/interface';

src/utils/utils.ts

@@ -214,3 +214,27 @@ export const mapBadgeStatus = (status: BaseBadgeProps['status']): Severity => {
 
   return status;
 };
+
+/**
+ * Validate if a string is a valid URL
+ */
+export const isValidUrl = (urlString: string): boolean => {
+  try {
+    new URL(urlString);
+    return true;
+  } catch {
+    return false;
+  }
+};
+
+/**
+ * Validate if a URL points to an image
+ */
+export const isImageUrl = (url: string): boolean => {
+  if (!isValidUrl(url)) return false;
+  
+  const imageExtensions = ['.jpg', '.jpeg', '.png', '.gif', '.webp', '.svg'];
+  const urlPath = new URL(url).pathname.toLowerCase();
+  
+  return imageExtensions.some(ext => urlPath.endsWith(ext));
+};