Replace text-only tooltips with custom richly styled tooltips (#3436)

* Replace the title attribute with custom FloatingMenu tooltips

* Separate tooltip labels and descriptions into two styled blocks

* Move keyboard shortcut tooltips to a separate section at the bottom

* Update shortcut key styling in tooltips and hints bar

* Fix .to_string()

node-graph/nodes/gcore/src/logic.rs

@@ -77,7 +77,7 @@ fn string_split(
 	#[default("\\n")]
 	delimeter: String,
 	/// Whether to convert escape sequences found in the delimeter into their corresponding characters:
-	/// "\n" (newline), "\r" (carriage return), "\t" (tab), "\0" (null), and "\\" (backslash)
+	/// "\n" (newline), "\r" (carriage return), "\t" (tab), "\0" (null), and "\\" (backslash).
 	#[default(true)]
 	delimeter_escaping: bool,
 ) -> Vec<String> {

node-graph/nodes/gcore/src/memo.rs

@@ -63,7 +63,7 @@ pub mod memo {
 	pub const IDENTIFIER: ProtoNodeIdentifier = ProtoNodeIdentifier::new("graphene_core::memo::MemoNode");
 }
 
-/// Caches the output of the last graph evaluation for introspection
+/// Caches the output of the last graph evaluation for introspection.
 #[derive(Default)]
 pub struct MonitorNode<I, T, N> {
 	#[allow(clippy::type_complexity)]