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/api/frontendlogging/sentry.go

@@ -1,6 +1,7 @@
 package frontendlogging
 
 import (
+	"encoding/json"
 	"fmt"
 	"strings"
 
@@ -93,3 +94,16 @@ func (event *FrontendSentryEvent) ToLogContext(store *SourceMapStore) log15.Ctx
 
 	return ctx
 }
+
+func (event *FrontendSentryEvent) MarshalJSON() ([]byte, error) {
+	eventJSON, err := json.Marshal(event.Event)
+	if err != nil {
+		return nil, err
+	}
+	exceptionJSON, err := json.Marshal(map[string]interface{}{"exception": event.Exception})
+	if err != nil {
+		return nil, err
+	}
+	exceptionJSON[0] = ','
+	return append(eventJSON[:len(eventJSON)-1], exceptionJSON...), nil
+}