fixed mime type and removed delete button on ccpimage input

ccp/js/inputwidgeteditorcontroller.js

@@ -52,6 +52,12 @@ class CCPInputWidgetEditorController extends HTMLElement{
     }
   }
 
+  renderDeleteButton(){
+    <button data-index="${this.#index}" name="delete-input" title="Delete" class="btn btn-danger ccp-toolbar-button">
+      ${this.#delete_icon} 
+    </button>
+  }
+
   render(input, i, reopen){
     this.#index = i
     this.#input = input
@@ -60,9 +66,7 @@ class CCPInputWidgetEditorController extends HTMLElement{
         <details ${ reopen ? 'open' : ''}>
           <summary class="mb-3">
             <input class="form-control" style="width:auto;display:inline" required="required" name="id" value="${this.#input.id}" title="Id of input"/>
-            <button data-index="${this.#index}" name="delete-input" title="Delete" class="btn btn-danger ccp-toolbar-button">
-              ${this.#delete_icon} 
-            </button>  
+            ${ input.id !== 'ccpimage' ? this.renderDeleteButton()}  
           </summary>
           <div style="padding-left: 1rem;border-left: 1px solid gray;">
             <div class="row mb-3">

ccp/js/methodeditorcontroller2.js

@@ -248,7 +248,7 @@ class CCPMethodEditorController extends HTMLElement{
     this.#current.metadata = []
     this.#tmp_inputs = [
       {
-        id : "runtime",
+        id : "ccpimage",
         title : "Runtime",
         description : "The image of the runtime to use for method execution. This depends on the infrastructure specific protocol for interacting with registries.",
         minOccurs : 1,
@@ -256,6 +256,7 @@ class CCPMethodEditorController extends HTMLElement{
         schema : {
           type : "string",
           format : "url",
+          contentMediaType : "text/plain"
           default : "",
           readonly : true,
         }