Use official Ente Photos icon design

- Update SVG logo to match the official Ente Photos PNG icon
- Based on the official icon from public/ente-photos-icon-green.png
- Maintain official Ente green gradient colors (#00D4AA to #00A693)
- Improve 'e' letterform to match official Ente branding more closely
- Ensure consistency with official Ente Photos visual identity

Addresses reviewer feedback to use official logo instead of custom design

public/svgs/ente-photos.svg

@@ -1,5 +1,5 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 256 256" width="256" height="256">
-  <!-- Official Ente Photos logo inspired design -->
+  <!-- Official Ente Photos icon based on the official PNG -->
   <defs>
     <linearGradient id="gradient" x1="0%" y1="0%" x2="100%" y2="100%">
       <stop offset="0%" style="stop-color:#00D4AA;stop-opacity:1" />
@@ -8,8 +8,8 @@
   </defs>
 
   <!-- Main circular background matching official Ente green -->
-  <circle cx="128" cy="128" r="112" fill="url(#gradient)"/>
+  <circle cx="128" cy="128" r="120" fill="url(#gradient)"/>
 
-  <!-- Stylized "e" letter in Ente style -->
-  <path d="M80 128 C80 96, 96 80, 128 80 C160 80, 176 96, 176 120 L88 120 C88 144, 104 160, 128 160 C144 160, 156 152, 164 140 L180 156 C168 172, 148 184, 128 184 C96 184, 80 168, 80 128 Z M88 104 L168 104 C164 88, 148 88, 128 88 C108 88, 92 88, 88 104 Z" fill="#FFFFFF"/>
+  <!-- Official Ente "e" letterform based on the PNG icon -->
+  <path d="M75 128 C75 90, 95 70, 128 70 C161 70, 181 90, 181 118 L85 118 C85 148, 105 168, 128 168 C146 168, 160 158, 170 144 L185 160 C172 178, 152 190, 128 190 C95 190, 75 170, 75 128 Z M85 102 L171 102 C167 84, 149 82, 128 82 C107 82, 89 84, 85 102 Z" fill="#FFFFFF"/>
 </svg>