Add "send to" buttons for instruction templates

- Remove instruction templates from prompt dropdowns (default/notebook)
- Add 3 buttons to Parameters > Instruction template as a replacement
- Increase the number of lines of 'negative prompt' field to 3, and add a scrollbar
- When uploading a character, switch to the Character tab
- When uploading chat history, switch to the Chat tab

js/switch_tabs.js

@@ -0,0 +1,31 @@
+let chat_tab = document.getElementById('chat-tab');
+let main_parent = chat_tab.parentNode;
+
+function switch_to_chat() {
+    let chat_tab_button = main_parent.childNodes[0].childNodes[1];
+    chat_tab_button.click();
+}
+
+function switch_to_default() {
+    let default_tab_button = main_parent.childNodes[0].childNodes[4];
+    default_tab_button.click();
+}
+
+function switch_to_notebook() {
+    let notebook_tab_button = main_parent.childNodes[0].childNodes[7];
+    notebook_tab_button.click();
+}
+
+function switch_to_generation_parameters() {
+    let parameters_tab_button = main_parent.childNodes[0].childNodes[10];
+    let generation_tab_button = document.getElementById('character-menu').parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[0].childNodes[1];
+    parameters_tab_button.click();
+    generation_tab_button.click();
+}
+
+function switch_to_character() {
+    let parameters_tab_button = main_parent.childNodes[0].childNodes[10];
+    let character_tab_button = document.getElementById('character-menu').parentNode.parentNode.parentNode.parentNode.parentNode.parentNode.childNodes[0].childNodes[4];
+    parameters_tab_button.click();
+    character_tab_button.click();
+}