Extend PalletInfoAccess with module_name and crate_version method (#9690)

* Record pallet indices in CallMetadata

* Resurrect PalletVersion infrastructure and rename as CrateVersion

* cargo fmt

* Add missing runtime generics to pallet struct

* Fix path to instance

* Fix test

* Fix UI test expectations

* Fix UI test expectations

* Move crate_version function to PalletInfoAccess

* Update UI test expectations

* Add crate_name method to PalletInfo

* Convert path to module name instead of exposing crate name

* cargo fmt

* Keep the double colons when constructing the module name

* Remove unused import

* Update UI test expectations

* Update frame/support/src/traits/metadata.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update UI test expectations

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

substrate/frame/support/procedural/src/construct_runtime/parse.rs

@@ -188,6 +188,18 @@ pub struct PalletPath {
 	pub inner: Path,
 }
 
+impl PalletPath {
+	pub fn module_name(&self) -> String {
+		self.inner.segments.iter().fold(String::new(), |mut acc, segment| {
+			if !acc.is_empty() {
+				acc.push_str("::");
+			}
+			acc.push_str(&segment.ident.to_string());
+			acc
+		})
+	}
+}
+
 impl Parse for PalletPath {
 	fn parse(input: ParseStream) -> Result<Self> {
 		let mut lookahead = input.lookahead1();