Add ripple everywhere.

frontend/src/app/components/publication-edition/code-block-dialog/code-block-dialog.component.ts

@@ -1,5 +1,6 @@
 import { Component, inject } from "@angular/core";
 import { FormBuilder, FormControl, ReactiveFormsModule, Validators } from "@angular/forms";
+import { MatRippleModule } from "@angular/material/core";
 import { MatDialogRef } from "@angular/material/dialog";
 import { MatFormFieldModule } from "@angular/material/form-field";
 import { MatIcon } from "@angular/material/icon";
@@ -91,6 +92,7 @@ export const PROGRAMMING_LANGUAGES: ProgramingLanguage[] = [
         MatFormFieldModule,
         MatIcon,
         MatInputModule,
+        MatRippleModule,
         MatSelectModule,
         ReactiveFormsModule,
     ]