fix(ui): handle model names with spaces

Remove `trim()` from model identifier schema, which prevented parsed model identifiers from matching.

The root issue here is that model names are identifiers. This will be resolved in the model manager refactor.

Closes #5556

Author: psychedelicious

invokeai/frontend/web/src/features/nodes/types/common.ts

@@ -65,7 +65,7 @@ export const zModelType = z.enum([
   'controlnet',
   'embedding',
 ]);
-export const zModelName = z.string().trim().min(1);
+export const zModelName = z.string().min(3);
 export const zModelIdentifier = z.object({
   model_name: zModelName,
   base_model: zBaseModel,