Allow input and display of floats for Number fields (#7340)

### Description

- We added a decimal field for a Number Field type in the settings
- We updated the Number Field type create a form with decimals input
- We are not implementing the dropdown present on the Figma because it
seems not related

### Demo


<https://www.loom.com/share/18a8d4b712a14f6d8b66806764f8467f?sid=3fc79b46-ae32-46e3-8635-d0eee02e53b2>

Fixes #6987

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: Marie Stoppa <marie.stoppa@essec.edu>

packages/twenty-server/src/engine/metadata-modules/field-metadata/field-metadata.service.ts

@@ -56,6 +56,7 @@ import { computeObjectTargetTable } from 'src/engine/utils/compute-object-target
 import { WorkspaceMigrationRunnerService } from 'src/engine/workspace-manager/workspace-migration-runner/workspace-migration-runner.service';
 import { ViewFieldWorkspaceEntity } from 'src/modules/view/standard-objects/view-field.workspace-entity';
 
+import { FieldMetadataValidationService } from './field-metadata-validation.service';
 import {
   FieldMetadataEntity,
   FieldMetadataType,
@@ -82,6 +83,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
     private readonly typeORMService: TypeORMService,
     private readonly workspaceMetadataVersionService: WorkspaceMetadataVersionService,
     private readonly twentyORMGlobalManager: TwentyORMGlobalManager,
+    private readonly fieldMetadataValidationService: FieldMetadataValidationService,
   ) {
     super(fieldMetadataRepository);
   }
@@ -157,6 +159,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
       }
 
       this.validateFieldMetadataInput<CreateFieldInput>(
+        fieldMetadataInput.type,
         fieldMetadataInput,
         objectMetadata,
       );
@@ -391,6 +394,7 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
       }
 
       this.validateFieldMetadataInput<UpdateFieldInput>(
+        existingFieldMetadata.type,
         fieldMetadataInput,
         objectMetadata,
       );
@@ -707,7 +711,11 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
 
   private validateFieldMetadataInput<
     T extends UpdateFieldInput | CreateFieldInput,
-  >(fieldMetadataInput: T, objectMetadata: ObjectMetadataEntity): T {
+  >(
+    fieldMetadataType: FieldMetadataType,
+    fieldMetadataInput: T,
+    objectMetadata: ObjectMetadataEntity,
+  ): T {
     if (fieldMetadataInput.name) {
       try {
         validateFieldNameValidityOrThrow(fieldMetadataInput.name);
@@ -748,6 +756,13 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
       }
     }
 
+    if (fieldMetadataInput.settings) {
+      this.fieldMetadataValidationService.validateSettingsOrThrow({
+        fieldType: fieldMetadataType,
+        settings: fieldMetadataInput.settings,
+      });
+    }
+
     return fieldMetadataInput;
   }
 }