clippy: Fix various clippy warnings throughout the code (#33003)

* replace u64::max_value() with u64::MAX

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* removed redundant import

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* Fixed dereference

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* Fixed a probable bug

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* fixed imports

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* fixed dereference

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* dereference formatting

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* removed unnessicary number imports

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* removed unnessicary number imports

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* removed excess borrow

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* ran mach fmt

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* fixed doc comment

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* removed deref on an immutable reference

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* fixed minor syntax error

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* reverted clamping

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* formatting

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

* reverted final clamp

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>

---------

Signed-off-by: Ashwin Naren <arihant2math@gmail.com>
Co-authored-by: Ashwin Naren <ashwin@pixelators.org>

components/devtools/actors/inspector/accessibility.rs

@@ -72,7 +72,7 @@ impl Actor for AccessibilityActor {
     /// - `getTraits`: Informs the DevTools client about the configuration of the accessibility actor
     ///
     /// - `getWalker`: Returns a new AccessibleWalker actor (not to be confused with the general
-    /// inspector Walker actor)
+    ///   inspector Walker actor)
     fn handle_message(
         &self,
         registry: &ActorRegistry,

components/devtools/actors/inspector/css_properties.rs

@@ -42,7 +42,7 @@ impl Actor for CssPropertiesActor {
     /// The css properties actor can handle the following messages:
     ///
     /// - `getCSSDatabase`: Returns a big list of every supported css property so that the
-    /// inspector can show the available options
+    ///   inspector can show the available options
     fn handle_message(
         &self,
         _registry: &ActorRegistry,

components/devtools/actors/inspector/node.rs

@@ -89,7 +89,7 @@ impl Actor for NodeActor {
     /// The node actor can handle the following messages:
     ///
     /// - `modifyAttributes`: Asks the script to change a value in the attribute of the
-    /// corresponding node
+    ///   corresponding node
     ///
     /// - `getUniqueSelector`: Returns the display name of this node
     fn handle_message(

components/devtools/actors/inspector/walker.rs

@@ -120,7 +120,7 @@ impl Actor for WalkerActor {
     /// - `getOffsetParent`: Placeholder
     ///
     /// - `querySelector`: Recursively looks for the specified selector in the tree, reutrning the
-    /// node and its ascendents
+    ///   node and its ascendents
     fn handle_message(
         &self,
         registry: &ActorRegistry,

components/devtools/actors/tab.rs

@@ -77,7 +77,7 @@ impl Actor for TabDescriptorActor {
     /// - `getFavicon`: Should return the tab favicon, but it is not yet supported.
     ///
     /// - `getWatcher`: Returns a `WatcherActor` linked to the tab's `BrowsingContext`. It is used
-    /// to describe the debugging capabilities of this tab.
+    ///   to describe the debugging capabilities of this tab.
     fn handle_message(
         &self,
         registry: &ActorRegistry,

components/devtools/actors/watcher.rs

@@ -160,17 +160,17 @@ impl Actor for WatcherActor {
     /// The watcher actor can handle the following messages:
     ///
     /// - `watchTargets`: Returns a list of objects to debug. Since we only support web views, it
-    /// returns the associated `BrowsingContextActor`. Every target sent creates a
-    /// `target-available-form` event.
+    ///   returns the associated `BrowsingContextActor`. Every target sent creates a
+    ///   `target-available-form` event.
     ///
     /// - `watchResources`: Start watching certain resource types. This sends
-    /// `resource-available-form` events.
+    ///   `resource-available-form` events.
     ///
     /// - `getNetworkParentActor`: Returns the network parent actor. It doesn't seem to do much at
-    /// the moment.
+    ///   the moment.
     ///
     /// - `getTargetConfigurationActor`: Returns the configuration actor for a specific target, so
-    /// that the server can update its settings.
+    ///   that the server can update its settings.
     ///
     /// - `getThreadConfigurationActor`: The same but with the configuration actor for the thread
     fn handle_message(