D-Net

[Trunk | Monitor Dashboard]:
1. indicators.component.ts:
a. Added fields "import_loading" and "export_loading" and set "editing", to show loading icon and disable edit options while export or import process is ongoing.
b. Validate schema of indicators' file when importing it (type (chart or number), url, and jsonPath (for number indicators) are requested)....

[Monitor Dashboard|Trunk]

Add importAndSave indicators method

[Trunk | Monitor Dashboard]:
1. indicators.component.html: Added buttons for exporting and importing indicators of a specific subcategory.
2. indicators.component.ts: Added methods for exporting and importing indicators of a specific subcategory (import of indicators is not creating anything for now).

[Monitor Dashboard | Trunk]: Update to angular 11

[Trunk | Monitor Dashboard]: environment/: "useHelpTexts" property was set to true & "footerGrantText" property was removed (class help text will be used instead).

[Monitor Dashboard | Trunk]: Remove some double ;; and app_my_theme from index.html

[Trunk | Monitor Dashboard]: app.component:
1. app.component.ts: Added in link for "Search research outcomes" (specialSideBarMenuItem), parameter for "Open Access".
2. app.component.html: In <dashboard-sidebar> set queryParamsHandling to "merge" (instead of "preserve") - keep filters/params (among topics & search) and add new filters/params when needed (in search).

[Trunk | Monitor Dashboard]: environments/: Added in all environment files footerGrantText: "This service has received funding from EU grants No. 777541, No 101017452".

[Dashbpard | Theme]: Move global variables to library

[Monitor Dashboard | Trunk]: Fix label on indicator sizes