1) Fixed an issue where Zoom to fit button only works if the diagram is larger than the canvas. Fixes #6163

2) Ensure that the diagram should not vanish entirely if zooming out too far in ERD. Fixes #6164
3) Fixed an issue where Generate SQL displayed twice in the ERD tool. Fixes #6179
4) Updated missing documentation for the 'Download Image' option in ERD. Fixes #6180

web/pgadmin/tools/erd/__init__.py

@@ -144,6 +144,24 @@ class ERDModule(PgAdminModule):
             fields=shortcut_fields
         )
 
+        self.preference.register(
+            'keyboard_shortcuts',
+            'download_image',
+            gettext('Download image'),
+            'keyboardshortcut',
+            {
+                'alt': True,
+                'shift': False,
+                'control': True,
+                'key': {
+                    'key_code': 73,
+                    'char': 'i'
+                }
+            },
+            category_label=PREF_LABEL_KEYBOARD_SHORTCUTS,
+            fields=shortcut_fields
+        )
+
         self.preference.register(
             'keyboard_shortcuts',
             'add_table',