NVIM: Use Lspsaga for breadcrumbs

- Disable statusline breadcrumbs coming from nvim-navic
- Use Lspsaga for Hover, Goto References, Peek Definition
- Enable Lspsaga Symbol Outline panel
- util.lua: Use same icons on Breadcrumbs and Navic Code navigation
- Code related shortcuts made for uniform, removed some

common/.config/nvim/lua/plugins/ui.lua

@@ -220,15 +220,6 @@ return {
                             file_status = true,
                             path = 1,
                         },
-                        -- Breadcrumbs from "nvim-navic" plugin
-                        {
-                            function()
-                                return require("nvim-navic").get_location()
-                            end,
-                            cond = function()
-                                return package.loaded["nvim-navic"] and require("nvim-navic").is_available()
-                            end,
-                        },
                     },
 
                     lualine_x = {