[FL-3300] API version in UI (#2649)

* desktop, about: replaced commit# with API version
* scripts: storage: added approx speed for file uploads
* scripts: selfupdate: use folder name by default
* vscode: fixed broken get_blackmagic shell integration on *nix

Co-authored-by: あく <alleteam@gmail.com>

.vscode/example/launch.json

@@ -11,11 +11,10 @@
             "args": {
                 "useSingleResult": true,
                 "env": {
-                    "PATH": "${workspaceFolder};${env:PATH}",
-                    "FBT_QUIET": 1
+                    "PATH": "${workspaceFolder}${command:extension.commandvariable.envListSep}${env:PATH}"
                 },
-                "command": "fbt get_blackmagic",
-                "description": "Get Blackmagic device",
+                "command": "fbt -s get_blackmagic",
+                "description": "Get Blackmagic device"
             }
         }
     ],

.vscode/extensions.json

@@ -8,11 +8,12 @@
 		"amiralizadeh9480.cpp-helper",
 		"marus25.cortex-debug",
 		"zxh404.vscode-proto3",
-		"augustocdias.tasks-shell-input"
+		"augustocdias.tasks-shell-input",
+		"rioj7.command-variable"
 	],
 	// List of extensions recommended by VS Code that should not be recommended for users of this workspace.
 	"unwantedRecommendations": [
 		"twxs.cmake",
 		"ms-vscode.cmake-tools"
 	]
-}
+}