Chore: Refactor api handlers to use web.Bind (#42199)

* Chore: Refactor api handlers to use web.Bind

* fix comments

* fix comment

* trying to fix most of the tests and force routing.Wrap type check

* fix library panels tests

* fix frontend logging tests

* allow passing nil as a response to skip writing

* return nil instead of the response

* rewrite login handler function types

* remove handlerFuncCtx

* make linter happy

* remove old bindings from the libraryelements

* restore comments

pkg/services/libraryelements/models.go

@@ -170,7 +170,7 @@ type CreateLibraryElementCommand struct {
 type patchLibraryElementCommand struct {
 	FolderID int64           `json:"folderId" binding:"Default(-1)"`
 	Name     string          `json:"name"`
-	Model    json.RawMessage `json:"model"`
+	Model    json.RawMessage `json:"model,omitempty"`
 	Kind     int64           `json:"kind" binding:"Required"`
 	Version  int64           `json:"version" binding:"Required"`
 	UID      string          `json:"uid"`