fix #5179 -- Inconsistency with cocalc and Jupyter notebook with cell magics and ?

- fixed by making it so we never show introspection panel when *running*
  a cell; only show it when introspecting with tab key.  This matches
  what jupyterlab does anyways.

Author: williamstein

src/packages/frontend/jupyter/browser-actions.ts

@@ -174,25 +174,14 @@ export class JupyterActions extends JupyterActions0 {
     const cell_type = cell.get("cell_type", "code");
     if (cell_type == "code") {
       const code = this.get_cell_input(id).trim();
-      const cm_mode = this.store.getIn(["cm_options", "mode", "name"]);
-      const language = this.store.get_kernel_language();
-      switch (parsing.run_mode(code, cm_mode, language)) {
-        case "show_source":
-          this.introspect(code.slice(0, code.length - 2), 1);
-          break;
-        case "show_doc":
-          this.introspect(code.slice(0, code.length - 1), 0);
-          break;
-        case "empty":
-          this.clear_cell(id, save);
-          break;
-        case "execute":
-          this.run_code_cell(id, save, no_halt);
-          break;
+      if (!code) {
+        this.clear_cell(id, save);
+        return;
+      }
+      this.run_code_cell(id, save, no_halt);
+      if (save) {
+        this.save_asap();
       }
-    }
-    if (save) {
-      this.save_asap();
     }
   }