tidy: use lowercase for tcd scheduler identifier

invokeai/backend/stable_diffusion/schedulers/schedulers.py

@@ -41,5 +41,5 @@ SCHEDULER_MAP = {
     "dpmpp_sde_k": (DPMSolverSDEScheduler, {"use_karras_sigmas": True, "noise_sampler_seed": 0}),
     "unipc": (UniPCMultistepScheduler, {"cpu_only": True}),
     "lcm": (LCMScheduler, {}),
-    "TCD": (TCDScheduler, {}),
+    "tcd": (TCDScheduler, {}),
 }

invokeai/frontend/web/src/features/nodes/types/v2/common.ts

@@ -40,7 +40,7 @@ export const zSchedulerField = z.enum([
   'euler_a',
   'kdpm_2_a',
   'lcm',
-  'TCD',
+  'tcd',
 ]);
 // #endregion
 

invokeai/frontend/web/src/features/parameters/types/constants.ts

@@ -75,5 +75,5 @@ export const SCHEDULER_OPTIONS: ComboboxOption[] = [
   { value: 'euler_a', label: 'Euler Ancestral' },
   { value: 'kdpm_2_a', label: 'KDPM 2 Ancestral' },
   { value: 'lcm', label: 'LCM' },
-  { value: 'TCD', label: 'TCD' },
+  { value: 'tcd', label: 'TCD' },
 ].sort((a, b) => a.label.localeCompare(b.label));